Home / 732,638.10-1,098,957.15-520,061.70

Finding the Fourth Proportional to 732,638.10, 1,098,957.15 and 520,061.70

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Solution

The fourth proportional to 732,638.10, 1,098,957.15 and 520,061.70 is: 780,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,638.10 : 1,098,957.15 = 520,061.70 : x
  2. Step 2: Convert to fraction form
    732,638.10/1,098,957.15 = 520,061.70/x
  3. Step 3: Cross multiply
    732,638.10x = 1,098,957.15 × 520,061.70
  4. Step 4: Simplify right side
    732,638.10x = 571,525,523,656.16
  5. Step 5: Solve for x
    x = 571,525,523,656.16/732,638.10
  6. Step 6: Final answer
    x = 780,092.55

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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.