Home / 634,560.31-951,367.03-381,781.57

Finding the Fourth Proportional to 634,560.31, 951,367.03 and 381,781.57

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Solution

The fourth proportional to 634,560.31, 951,367.03 and 381,781.57 is: 572,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,560.31 : 951,367.03 = 381,781.57 : x
  2. Step 2: Convert to fraction form
    634,560.31/951,367.03 = 381,781.57/x
  3. Step 3: Cross multiply
    634,560.31x = 951,367.03 × 381,781.57
  4. Step 4: Simplify right side
    634,560.31x = 363,214,398,359.64
  5. Step 5: Solve for x
    x = 363,214,398,359.64/634,560.31
  6. Step 6: Final answer
    x = 572,387.51

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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.