Home / 801,165.60-1,200,193.20-445,543.20

Finding the Fourth Proportional to 801,165.60, 1,200,193.20 and 445,543.20

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Solution

The fourth proportional to 801,165.60, 1,200,193.20 and 445,543.20 is: 667,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,165.60 : 1,200,193.20 = 445,543.20 : x
  2. Step 2: Convert to fraction form
    801,165.60/1,200,193.20 = 445,543.20/x
  3. Step 3: Cross multiply
    801,165.60x = 1,200,193.20 × 445,543.20
  4. Step 4: Simplify right side
    801,165.60x = 534,737,918,946.24
  5. Step 5: Solve for x
    x = 534,737,918,946.24/801,165.60
  6. Step 6: Final answer
    x = 667,449.92

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1.5x scale

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.