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Finding the Fourth Proportional to 539,669.86, 744,729.56 and 297,948.04

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Solution

The fourth proportional to 539,669.86, 744,729.56 and 297,948.04 is: 411,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,669.86 : 744,729.56 = 297,948.04 : x
  2. Step 2: Convert to fraction form
    539,669.86/744,729.56 = 297,948.04/x
  3. Step 3: Cross multiply
    539,669.86x = 744,729.56 × 297,948.04
  4. Step 4: Simplify right side
    539,669.86x = 221,890,712,732.06
  5. Step 5: Solve for x
    x = 221,890,712,732.06/539,669.86
  6. Step 6: Final answer
    x = 411,160.10

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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.