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Finding the Fourth Proportional to 624,377.07, 861,641.88 and 337,899.24

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Solution

The fourth proportional to 624,377.07, 861,641.88 and 337,899.24 is: 466,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,377.07 : 861,641.88 = 337,899.24 : x
  2. Step 2: Convert to fraction form
    624,377.07/861,641.88 = 337,899.24/x
  3. Step 3: Cross multiply
    624,377.07x = 861,641.88 × 337,899.24
  4. Step 4: Simplify right side
    624,377.07x = 291,148,136,404.17
  5. Step 5: Solve for x
    x = 291,148,136,404.17/624,377.07
  6. Step 6: Final answer
    x = 466,301.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.