Home / 762,376.43-1,142,121.22-508,892.60

Finding the Fourth Proportional to 762,376.43, 1,142,121.22 and 508,892.60

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Solution

The fourth proportional to 762,376.43, 1,142,121.22 and 508,892.60 is: 762,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,376.43 : 1,142,121.22 = 508,892.60 : x
  2. Step 2: Convert to fraction form
    762,376.43/1,142,121.22 = 508,892.60/x
  3. Step 3: Cross multiply
    762,376.43x = 1,142,121.22 × 508,892.60
  4. Step 4: Simplify right side
    762,376.43x = 581,217,037,160.97
  5. Step 5: Solve for x
    x = 581,217,037,160.97/762,376.43
  6. Step 6: Final answer
    x = 762,375.40

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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.