Home / 844,613.20-1,165,560.42-457,419.70

Finding the Fourth Proportional to 844,613.20, 1,165,560.42 and 457,419.70

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Solution

The fourth proportional to 844,613.20, 1,165,560.42 and 457,419.70 is: 631,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,613.20 : 1,165,560.42 = 457,419.70 : x
  2. Step 2: Convert to fraction form
    844,613.20/1,165,560.42 = 457,419.70/x
  3. Step 3: Cross multiply
    844,613.20x = 1,165,560.42 × 457,419.70
  4. Step 4: Simplify right side
    844,613.20x = 533,150,297,648.27
  5. Step 5: Solve for x
    x = 533,150,297,648.27/844,613.20
  6. Step 6: Final answer
    x = 631,236.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.