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Finding the Fourth Proportional to 800,335.73, 1,200,503.49 and 327,020.60

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Solution

The fourth proportional to 800,335.73, 1,200,503.49 and 327,020.60 is: 490,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,335.73 : 1,200,503.49 = 327,020.60 : x
  2. Step 2: Convert to fraction form
    800,335.73/1,200,503.49 = 327,020.60/x
  3. Step 3: Cross multiply
    800,335.73x = 1,200,503.49 × 327,020.60
  4. Step 4: Simplify right side
    800,335.73x = 392,589,371,601.89
  5. Step 5: Solve for x
    x = 392,589,371,601.89/800,335.73
  6. Step 6: Final answer
    x = 490,530.86

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Similar ratio
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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.