Home / 724,545.33-1,086,468.42-303,708.21

Finding the Fourth Proportional to 724,545.33, 1,086,468.42 and 303,708.21

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Solution

The fourth proportional to 724,545.33, 1,086,468.42 and 303,708.21 is: 455,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,545.33 : 1,086,468.42 = 303,708.21 : x
  2. Step 2: Convert to fraction form
    724,545.33/1,086,468.42 = 303,708.21/x
  3. Step 3: Cross multiply
    724,545.33x = 1,086,468.42 × 303,708.21
  4. Step 4: Simplify right side
    724,545.33x = 329,969,379,059.73
  5. Step 5: Solve for x
    x = 329,969,379,059.73/724,545.33
  6. Step 6: Final answer
    x = 455,415.78

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1.5x scale

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.