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Finding the Fourth Proportional to 497,699.80, 746,549.70 and 329,738.20

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Solution

The fourth proportional to 497,699.80, 746,549.70 and 329,738.20 is: 494,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,699.80 : 746,549.70 = 329,738.20 : x
  2. Step 2: Convert to fraction form
    497,699.80/746,549.70 = 329,738.20/x
  3. Step 3: Cross multiply
    497,699.80x = 746,549.70 × 329,738.20
  4. Step 4: Simplify right side
    497,699.80x = 246,165,954,288.54
  5. Step 5: Solve for x
    x = 246,165,954,288.54/497,699.80
  6. Step 6: Final answer
    x = 494,607.30

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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.