Home / 782,998.35-1,080,613.56-438,892.73

Finding the Fourth Proportional to 782,998.35, 1,080,613.56 and 438,892.73

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Solution

The fourth proportional to 782,998.35, 1,080,613.56 and 438,892.73 is: 605,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,998.35 : 1,080,613.56 = 438,892.73 : x
  2. Step 2: Convert to fraction form
    782,998.35/1,080,613.56 = 438,892.73/x
  3. Step 3: Cross multiply
    782,998.35x = 1,080,613.56 × 438,892.73
  4. Step 4: Simplify right side
    782,998.35x = 474,273,433,249.73
  5. Step 5: Solve for x
    x = 474,273,433,249.73/782,998.35
  6. Step 6: Final answer
    x = 605,714.48

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1.5x scale

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.