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Finding the Fourth Proportional to 781,691.80, 1,174,506 and 497,513.04

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Solution

The fourth proportional to 781,691.80, 1,174,506 and 497,513.04 is: 747,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,691.80 : 1,174,506 = 497,513.04 : x
  2. Step 2: Convert to fraction form
    781,691.80/1,174,506 = 497,513.04/x
  3. Step 3: Cross multiply
    781,691.80x = 1,174,506 × 497,513.04
  4. Step 4: Simplify right side
    781,691.80x = 584,332,050,558.24
  5. Step 5: Solve for x
    x = 584,332,050,558.24/781,691.80
  6. Step 6: Final answer
    x = 747,522.30

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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.