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Finding the Fourth Proportional to 461,202.60, 691,803.90 and 443,487.90

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Solution

The fourth proportional to 461,202.60, 691,803.90 and 443,487.90 is: 665,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,202.60 : 691,803.90 = 443,487.90 : x
  2. Step 2: Convert to fraction form
    461,202.60/691,803.90 = 443,487.90/x
  3. Step 3: Cross multiply
    461,202.60x = 691,803.90 × 443,487.90
  4. Step 4: Simplify right side
    461,202.60x = 306,806,658,822.81
  5. Step 5: Solve for x
    x = 306,806,658,822.81/461,202.60
  6. Step 6: Final answer
    x = 665,231.85

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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.