Home / 770,680.92-1,156,229.16-321,252.44

Finding the Fourth Proportional to 770,680.92, 1,156,229.16 and 321,252.44

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Solution

The fourth proportional to 770,680.92, 1,156,229.16 and 321,252.44 is: 481,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,680.92 : 1,156,229.16 = 321,252.44 : x
  2. Step 2: Convert to fraction form
    770,680.92/1,156,229.16 = 321,252.44/x
  3. Step 3: Cross multiply
    770,680.92x = 1,156,229.16 × 321,252.44
  4. Step 4: Simplify right side
    770,680.92x = 371,441,438,849.15
  5. Step 5: Solve for x
    x = 371,441,438,849.15/770,680.92
  6. Step 6: Final answer
    x = 481,965.27

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Double scale
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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.