Home / 809.03-1,116.29-559.95

Finding the Fourth Proportional to 809.03, 1,116.29 and 559.95

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Solution

The fourth proportional to 809.03, 1,116.29 and 559.95 is: 772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    809.03 : 1,116.29 = 559.95 : x
  2. Step 2: Convert to fraction form
    809.03/1,116.29 = 559.95/x
  3. Step 3: Cross multiply
    809.03x = 1,116.29 × 559.95
  4. Step 4: Simplify right side
    809.03x = 625,066.59
  5. Step 5: Solve for x
    x = 625,066.59/809.03
  6. Step 6: Final answer
    x = 772.61

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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.