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Finding the Fourth Proportional to 580,463.97, 870,357.66 and 225,062.80

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Solution

The fourth proportional to 580,463.97, 870,357.66 and 225,062.80 is: 337,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,463.97 : 870,357.66 = 225,062.80 : x
  2. Step 2: Convert to fraction form
    580,463.97/870,357.66 = 225,062.80/x
  3. Step 3: Cross multiply
    580,463.97x = 870,357.66 × 225,062.80
  4. Step 4: Simplify right side
    580,463.97x = 195,885,133,836.93
  5. Step 5: Solve for x
    x = 195,885,133,836.93/580,463.97
  6. Step 6: Final answer
    x = 337,463.04

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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.