Home / 681,706.96-1,022,449.69-321,877.11

Finding the Fourth Proportional to 681,706.96, 1,022,449.69 and 321,877.11

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Solution

The fourth proportional to 681,706.96, 1,022,449.69 and 321,877.11 is: 482,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,706.96 : 1,022,449.69 = 321,877.11 : x
  2. Step 2: Convert to fraction form
    681,706.96/1,022,449.69 = 321,877.11/x
  3. Step 3: Cross multiply
    681,706.96x = 1,022,449.69 × 321,877.11
  4. Step 4: Simplify right side
    681,706.96x = 329,103,151,337.60
  5. Step 5: Solve for x
    x = 329,103,151,337.60/681,706.96
  6. Step 6: Final answer
    x = 482,763.37

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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.