Home / 928,906.67-1,393,025.71-321,529.95

Finding the Fourth Proportional to 928,906.67, 1,393,025.71 and 321,529.95

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Solution

The fourth proportional to 928,906.67, 1,393,025.71 and 321,529.95 is: 482,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,906.67 : 1,393,025.71 = 321,529.95 : x
  2. Step 2: Convert to fraction form
    928,906.67/1,393,025.71 = 321,529.95/x
  3. Step 3: Cross multiply
    928,906.67x = 1,393,025.71 × 321,529.95
  4. Step 4: Simplify right side
    928,906.67x = 447,899,489,095.14
  5. Step 5: Solve for x
    x = 447,899,489,095.14/928,906.67
  6. Step 6: Final answer
    x = 482,179.22

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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.