Home / 681,707.96-1,022,451.19-321,878.11

Finding the Fourth Proportional to 681,707.96, 1,022,451.19 and 321,878.11

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Solution

The fourth proportional to 681,707.96, 1,022,451.19 and 321,878.11 is: 482,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,707.96 : 1,022,451.19 = 321,878.11 : x
  2. Step 2: Convert to fraction form
    681,707.96/1,022,451.19 = 321,878.11/x
  3. Step 3: Cross multiply
    681,707.96x = 1,022,451.19 × 321,878.11
  4. Step 4: Simplify right side
    681,707.96x = 329,104,656,604.45
  5. Step 5: Solve for x
    x = 329,104,656,604.45/681,707.96
  6. Step 6: Final answer
    x = 482,764.87

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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.