Home / 667,583.40-1,001,375.10-443,245.80

Finding the Fourth Proportional to 667,583.40, 1,001,375.10 and 443,245.80

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Solution

The fourth proportional to 667,583.40, 1,001,375.10 and 443,245.80 is: 664,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,583.40 : 1,001,375.10 = 443,245.80 : x
  2. Step 2: Convert to fraction form
    667,583.40/1,001,375.10 = 443,245.80/x
  3. Step 3: Cross multiply
    667,583.40x = 1,001,375.10 × 443,245.80
  4. Step 4: Simplify right side
    667,583.40x = 443,855,307,299.58
  5. Step 5: Solve for x
    x = 443,855,307,299.58/667,583.40
  6. Step 6: Final answer
    x = 664,868.70

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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.