Home / 805,414.74-1,206,509.19-485,388.42

Finding the Fourth Proportional to 805,414.74, 1,206,509.19 and 485,388.42

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Solution

The fourth proportional to 805,414.74, 1,206,509.19 and 485,388.42 is: 727,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,414.74 : 1,206,509.19 = 485,388.42 : x
  2. Step 2: Convert to fraction form
    805,414.74/1,206,509.19 = 485,388.42/x
  3. Step 3: Cross multiply
    805,414.74x = 1,206,509.19 × 485,388.42
  4. Step 4: Simplify right side
    805,414.74x = 585,625,589,449.58
  5. Step 5: Solve for x
    x = 585,625,589,449.58/805,414.74
  6. Step 6: Final answer
    x = 727,110.59

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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.