Home / 454,002.20-681,003.30-288,523.80

Finding the Fourth Proportional to 454,002.20, 681,003.30 and 288,523.80

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Solution

The fourth proportional to 454,002.20, 681,003.30 and 288,523.80 is: 432,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,002.20 : 681,003.30 = 288,523.80 : x
  2. Step 2: Convert to fraction form
    454,002.20/681,003.30 = 288,523.80/x
  3. Step 3: Cross multiply
    454,002.20x = 681,003.30 × 288,523.80
  4. Step 4: Simplify right side
    454,002.20x = 196,485,659,928.54
  5. Step 5: Solve for x
    x = 196,485,659,928.54/454,002.20
  6. Step 6: Final answer
    x = 432,785.70

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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.