Home / 797,481.12-1,100,609.27-487,565.53

Finding the Fourth Proportional to 797,481.12, 1,100,609.27 and 487,565.53

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Solution

The fourth proportional to 797,481.12, 1,100,609.27 and 487,565.53 is: 672,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,481.12 : 1,100,609.27 = 487,565.53 : x
  2. Step 2: Convert to fraction form
    797,481.12/1,100,609.27 = 487,565.53/x
  3. Step 3: Cross multiply
    797,481.12x = 1,100,609.27 × 487,565.53
  4. Step 4: Simplify right side
    797,481.12x = 536,619,138,689.48
  5. Step 5: Solve for x
    x = 536,619,138,689.48/797,481.12
  6. Step 6: Final answer
    x = 672,892.59

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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.