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Finding the Fourth Proportional to 580,901.96, 870,091.07 and 280,753.09

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Solution

The fourth proportional to 580,901.96, 870,091.07 and 280,753.09 is: 420,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,901.96 : 870,091.07 = 280,753.09 : x
  2. Step 2: Convert to fraction form
    580,901.96/870,091.07 = 280,753.09/x
  3. Step 3: Cross multiply
    580,901.96x = 870,091.07 × 280,753.09
  4. Step 4: Simplify right side
    580,901.96x = 244,280,752,904.91
  5. Step 5: Solve for x
    x = 244,280,752,904.91/580,901.96
  6. Step 6: Final answer
    x = 420,519.76

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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.