Home / 724,207.20-1,086,310.80-454,550.10

Finding the Fourth Proportional to 724,207.20, 1,086,310.80 and 454,550.10

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Solution

The fourth proportional to 724,207.20, 1,086,310.80 and 454,550.10 is: 681,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,207.20 : 1,086,310.80 = 454,550.10 : x
  2. Step 2: Convert to fraction form
    724,207.20/1,086,310.80 = 454,550.10/x
  3. Step 3: Cross multiply
    724,207.20x = 1,086,310.80 × 454,550.10
  4. Step 4: Simplify right side
    724,207.20x = 493,782,682,771.08
  5. Step 5: Solve for x
    x = 493,782,682,771.08/724,207.20
  6. Step 6: Final answer
    x = 681,825.15

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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.