Home / 688,614.28-950,286.18-382,689.64

Finding the Fourth Proportional to 688,614.28, 950,286.18 and 382,689.64

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Solution

The fourth proportional to 688,614.28, 950,286.18 and 382,689.64 is: 528,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,614.28 : 950,286.18 = 382,689.64 : x
  2. Step 2: Convert to fraction form
    688,614.28/950,286.18 = 382,689.64/x
  3. Step 3: Cross multiply
    688,614.28x = 950,286.18 × 382,689.64
  4. Step 4: Simplify right side
    688,614.28x = 363,664,676,121.18
  5. Step 5: Solve for x
    x = 363,664,676,121.18/688,614.28
  6. Step 6: Final answer
    x = 528,110.85

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