Home / 920,532.24-1,381,129.56-321,581.52

Finding the Fourth Proportional to 920,532.24, 1,381,129.56 and 321,581.52

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Solution

The fourth proportional to 920,532.24, 1,381,129.56 and 321,581.52 is: 482,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,532.24 : 1,381,129.56 = 321,581.52 : x
  2. Step 2: Convert to fraction form
    920,532.24/1,381,129.56 = 321,581.52/x
  3. Step 3: Cross multiply
    920,532.24x = 1,381,129.56 × 321,581.52
  4. Step 4: Simplify right side
    920,532.24x = 444,145,743,221.73
  5. Step 5: Solve for x
    x = 444,145,743,221.73/920,532.24
  6. Step 6: Final answer
    x = 482,487.98

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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.