Home / 689,135.52-951,469.20-616,309.92

Finding the Fourth Proportional to 689,135.52, 951,469.20 and 616,309.92

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Solution

The fourth proportional to 689,135.52, 951,469.20 and 616,309.92 is: 850,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,135.52 : 951,469.20 = 616,309.92 : x
  2. Step 2: Convert to fraction form
    689,135.52/951,469.20 = 616,309.92/x
  3. Step 3: Cross multiply
    689,135.52x = 951,469.20 × 616,309.92
  4. Step 4: Simplify right side
    689,135.52x = 586,399,906,534.46
  5. Step 5: Solve for x
    x = 586,399,906,534.46/689,135.52
  6. Step 6: Final answer
    x = 850,921.03

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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.