Home / 726,430.42-1,002,967.68-454,608.10

Finding the Fourth Proportional to 726,430.42, 1,002,967.68 and 454,608.10

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Solution

The fourth proportional to 726,430.42, 1,002,967.68 and 454,608.10 is: 627,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,430.42 : 1,002,967.68 = 454,608.10 : x
  2. Step 2: Convert to fraction form
    726,430.42/1,002,967.68 = 454,608.10/x
  3. Step 3: Cross multiply
    726,430.42x = 1,002,967.68 × 454,608.10
  4. Step 4: Simplify right side
    726,430.42x = 455,957,231,366.21
  5. Step 5: Solve for x
    x = 455,957,231,366.21/726,430.42
  6. Step 6: Final answer
    x = 627,668.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.