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Finding the Fourth Proportional to 538,167.80, 807,251.70 and 497,732.60

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Solution

The fourth proportional to 538,167.80, 807,251.70 and 497,732.60 is: 746,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,167.80 : 807,251.70 = 497,732.60 : x
  2. Step 2: Convert to fraction form
    538,167.80/807,251.70 = 497,732.60/x
  3. Step 3: Cross multiply
    538,167.80x = 807,251.70 × 497,732.60
  4. Step 4: Simplify right side
    538,167.80x = 401,795,487,495.42
  5. Step 5: Solve for x
    x = 401,795,487,495.42/538,167.80
  6. Step 6: Final answer
    x = 746,598.90

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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.