Home / 951,978.36-1,427,956.59-321,335.04

Finding the Fourth Proportional to 951,978.36, 1,427,956.59 and 321,335.04

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Solution

The fourth proportional to 951,978.36, 1,427,956.59 and 321,335.04 is: 481,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,978.36 : 1,427,956.59 = 321,335.04 : x
  2. Step 2: Convert to fraction form
    951,978.36/1,427,956.59 = 321,335.04/x
  3. Step 3: Cross multiply
    951,978.36x = 1,427,956.59 × 321,335.04
  4. Step 4: Simplify right side
    951,978.36x = 458,852,487,965.91
  5. Step 5: Solve for x
    x = 458,852,487,965.91/951,978.36
  6. Step 6: Final answer
    x = 481,998.86

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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.