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Finding the Fourth Proportional to 497,687.80, 746,531.70 and 329,726.20

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Solution

The fourth proportional to 497,687.80, 746,531.70 and 329,726.20 is: 494,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,687.80 : 746,531.70 = 329,726.20 : x
  2. Step 2: Convert to fraction form
    497,687.80/746,531.70 = 329,726.20/x
  3. Step 3: Cross multiply
    497,687.80x = 746,531.70 × 329,726.20
  4. Step 4: Simplify right side
    497,687.80x = 246,151,060,620.54
  5. Step 5: Solve for x
    x = 246,151,060,620.54/497,687.80
  6. Step 6: Final answer
    x = 494,589.30

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Similar ratio
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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.