Home / 724,411.28-1,086,616.92-324,834.08

Finding the Fourth Proportional to 724,411.28, 1,086,616.92 and 324,834.08

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Solution

The fourth proportional to 724,411.28, 1,086,616.92 and 324,834.08 is: 487,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,411.28 : 1,086,616.92 = 324,834.08 : x
  2. Step 2: Convert to fraction form
    724,411.28/1,086,616.92 = 324,834.08/x
  3. Step 3: Cross multiply
    724,411.28x = 1,086,616.92 × 324,834.08
  4. Step 4: Simplify right side
    724,411.28x = 352,970,207,520.63
  5. Step 5: Solve for x
    x = 352,970,207,520.63/724,411.28
  6. Step 6: Final answer
    x = 487,251.12

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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.