Home / 681,729.60-1,022,713.20-282,151.20

Finding the Fourth Proportional to 681,729.60, 1,022,713.20 and 282,151.20

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Solution

The fourth proportional to 681,729.60, 1,022,713.20 and 282,151.20 is: 423,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,729.60 : 1,022,713.20 = 282,151.20 : x
  2. Step 2: Convert to fraction form
    681,729.60/1,022,713.20 = 282,151.20/x
  3. Step 3: Cross multiply
    681,729.60x = 1,022,713.20 × 282,151.20
  4. Step 4: Simplify right side
    681,729.60x = 288,559,756,635.84
  5. Step 5: Solve for x
    x = 288,559,756,635.84/681,729.60
  6. Step 6: Final answer
    x = 423,275.97

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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.