Home / 951,978.86-1,427,957.34-321,335.54

Finding the Fourth Proportional to 951,978.86, 1,427,957.34 and 321,335.54

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Solution

The fourth proportional to 951,978.86, 1,427,957.34 and 321,335.54 is: 481,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,978.86 : 1,427,957.34 = 321,335.54 : x
  2. Step 2: Convert to fraction form
    951,978.86/1,427,957.34 = 321,335.54/x
  3. Step 3: Cross multiply
    951,978.86x = 1,427,957.34 × 321,335.54
  4. Step 4: Simplify right side
    951,978.86x = 458,853,442,945.86
  5. Step 5: Solve for x
    x = 458,853,442,945.86/951,978.86
  6. Step 6: Final answer
    x = 481,999.61

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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.