Home / 870,813.26-1,304,231.18-415,724.61

Finding the Fourth Proportional to 870,813.26, 1,304,231.18 and 415,724.61

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Solution

The fourth proportional to 870,813.26, 1,304,231.18 and 415,724.61 is: 622,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,813.26 : 1,304,231.18 = 415,724.61 : x
  2. Step 2: Convert to fraction form
    870,813.26/1,304,231.18 = 415,724.61/x
  3. Step 3: Cross multiply
    870,813.26x = 1,304,231.18 × 415,724.61
  4. Step 4: Simplify right side
    870,813.26x = 542,200,998,135.68
  5. Step 5: Solve for x
    x = 542,200,998,135.68/870,813.26
  6. Step 6: Final answer
    x = 622,637.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.