Home / 726,440.70-1,002,613.50-454,618.74

Finding the Fourth Proportional to 726,440.70, 1,002,613.50 and 454,618.74

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Solution

The fourth proportional to 726,440.70, 1,002,613.50 and 454,618.74 is: 627,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,440.70 : 1,002,613.50 = 454,618.74 : x
  2. Step 2: Convert to fraction form
    726,440.70/1,002,613.50 = 454,618.74/x
  3. Step 3: Cross multiply
    726,440.70x = 1,002,613.50 × 454,618.74
  4. Step 4: Simplify right side
    726,440.70x = 455,806,886,076.99
  5. Step 5: Solve for x
    x = 455,806,886,076.99/726,440.70
  6. Step 6: Final answer
    x = 627,452.30

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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.