Home / 1,008.25-1,391.37-566.14

Finding the Fourth Proportional to 1,008.25, 1,391.37 and 566.14

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Solution

The fourth proportional to 1,008.25, 1,391.37 and 566.14 is: 781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008.25 : 1,391.37 = 566.14 : x
  2. Step 2: Convert to fraction form
    1,008.25/1,391.37 = 566.14/x
  3. Step 3: Cross multiply
    1,008.25x = 1,391.37 × 566.14
  4. Step 4: Simplify right side
    1,008.25x = 787,710.21
  5. Step 5: Solve for x
    x = 787,710.21/1,008.25
  6. Step 6: Final answer
    x = 781.26

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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.