Home / 746,614.80-1,119,922.20-443,496.60

Finding the Fourth Proportional to 746,614.80, 1,119,922.20 and 443,496.60

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Solution

The fourth proportional to 746,614.80, 1,119,922.20 and 443,496.60 is: 665,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,614.80 : 1,119,922.20 = 443,496.60 : x
  2. Step 2: Convert to fraction form
    746,614.80/1,119,922.20 = 443,496.60/x
  3. Step 3: Cross multiply
    746,614.80x = 1,119,922.20 × 443,496.60
  4. Step 4: Simplify right side
    746,614.80x = 496,681,687,964.52
  5. Step 5: Solve for x
    x = 496,681,687,964.52/746,614.80
  6. Step 6: Final answer
    x = 665,244.90

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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.