Home / 951,229.86-1,312,698.97-515,645.87

Finding the Fourth Proportional to 951,229.86, 1,312,698.97 and 515,645.87

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Solution

The fourth proportional to 951,229.86, 1,312,698.97 and 515,645.87 is: 711,592.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,229.86 : 1,312,698.97 = 515,645.87 : x
  2. Step 2: Convert to fraction form
    951,229.86/1,312,698.97 = 515,645.87/x
  3. Step 3: Cross multiply
    951,229.86x = 1,312,698.97 × 515,645.87
  4. Step 4: Simplify right side
    951,229.86x = 676,887,802,433.75
  5. Step 5: Solve for x
    x = 676,887,802,433.75/951,229.86
  6. Step 6: Final answer
    x = 711,592.26

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Why These Related Problems?

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