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Finding the Fourth Proportional to 713,317.24, 984,691.88 and 499,297.42

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Solution

The fourth proportional to 713,317.24, 984,691.88 and 499,297.42 is: 689,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,317.24 : 984,691.88 = 499,297.42 : x
  2. Step 2: Convert to fraction form
    713,317.24/984,691.88 = 499,297.42/x
  3. Step 3: Cross multiply
    713,317.24x = 984,691.88 × 499,297.42
  4. Step 4: Simplify right side
    713,317.24x = 491,654,115,178.95
  5. Step 5: Solve for x
    x = 491,654,115,178.95/713,317.24
  6. Step 6: Final answer
    x = 689,250.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.