Home / 748,688.13-1,123,124.94-293,220.27

Finding the Fourth Proportional to 748,688.13, 1,123,124.94 and 293,220.27

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Solution

The fourth proportional to 748,688.13, 1,123,124.94 and 293,220.27 is: 439,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,688.13 : 1,123,124.94 = 293,220.27 : x
  2. Step 2: Convert to fraction form
    748,688.13/1,123,124.94 = 293,220.27/x
  3. Step 3: Cross multiply
    748,688.13x = 1,123,124.94 × 293,220.27
  4. Step 4: Simplify right side
    748,688.13x = 329,322,998,150.53
  5. Step 5: Solve for x
    x = 329,322,998,150.53/748,688.13
  6. Step 6: Final answer
    x = 439,866.73

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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.