Home / 1,008.29-1,391.42-566.24

Finding the Fourth Proportional to 1,008.29, 1,391.42 and 566.24

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Solution

The fourth proportional to 1,008.29, 1,391.42 and 566.24 is: 781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008.29 : 1,391.42 = 566.24 : x
  2. Step 2: Convert to fraction form
    1,008.29/1,391.42 = 566.24/x
  3. Step 3: Cross multiply
    1,008.29x = 1,391.42 × 566.24
  4. Step 4: Simplify right side
    1,008.29x = 787,867.87
  5. Step 5: Solve for x
    x = 787,867.87/1,008.29
  6. Step 6: Final answer
    x = 781.39

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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.