Home / 748,563.50-1,123,022.90-243,126.20

Finding the Fourth Proportional to 748,563.50, 1,123,022.90 and 243,126.20

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Solution

The fourth proportional to 748,563.50, 1,123,022.90 and 243,126.20 is: 364,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,563.50 : 1,123,022.90 = 243,126.20 : x
  2. Step 2: Convert to fraction form
    748,563.50/1,123,022.90 = 243,126.20/x
  3. Step 3: Cross multiply
    748,563.50x = 1,123,022.90 × 243,126.20
  4. Step 4: Simplify right side
    748,563.50x = 273,036,285,182.68
  5. Step 5: Solve for x
    x = 273,036,285,182.68/748,563.50
  6. Step 6: Final answer
    x = 364,746.99

Related Problems

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Half scale
Find fourth proportional to 1,497,126.99, 2,246,045.81 and 486,252.39
Double scale
Find fourth proportional to 748,564.50, 1,123,024.40 and 243,127.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.