Home / 454,247.20-681,370.80-424,722.70

Finding the Fourth Proportional to 454,247.20, 681,370.80 and 424,722.70

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Solution

The fourth proportional to 454,247.20, 681,370.80 and 424,722.70 is: 637,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,247.20 : 681,370.80 = 424,722.70 : x
  2. Step 2: Convert to fraction form
    454,247.20/681,370.80 = 424,722.70/x
  3. Step 3: Cross multiply
    454,247.20x = 681,370.80 × 424,722.70
  4. Step 4: Simplify right side
    454,247.20x = 289,393,645,877.16
  5. Step 5: Solve for x
    x = 289,393,645,877.16/454,247.20
  6. Step 6: Final answer
    x = 637,084.05

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Similar ratio
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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.