Home / 749,048.88-1,123,405.92-216,451.20

Finding the Fourth Proportional to 749,048.88, 1,123,405.92 and 216,451.20

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Solution

The fourth proportional to 749,048.88, 1,123,405.92 and 216,451.20 is: 324,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,048.88 : 1,123,405.92 = 216,451.20 : x
  2. Step 2: Convert to fraction form
    749,048.88/1,123,405.92 = 216,451.20/x
  3. Step 3: Cross multiply
    749,048.88x = 1,123,405.92 × 216,451.20
  4. Step 4: Simplify right side
    749,048.88x = 243,162,559,471.10
  5. Step 5: Solve for x
    x = 243,162,559,471.10/749,048.88
  6. Step 6: Final answer
    x = 324,628.43

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Half scale
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Double scale
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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.