Home / 1,038.17-1,432.66-566.05

Finding the Fourth Proportional to 1,038.17, 1,432.66 and 566.05

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Solution

The fourth proportional to 1,038.17, 1,432.66 and 566.05 is: 781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038.17 : 1,432.66 = 566.05 : x
  2. Step 2: Convert to fraction form
    1,038.17/1,432.66 = 566.05/x
  3. Step 3: Cross multiply
    1,038.17x = 1,432.66 × 566.05
  4. Step 4: Simplify right side
    1,038.17x = 810,957.19
  5. Step 5: Solve for x
    x = 810,957.19/1,038.17
  6. Step 6: Final answer
    x = 781.14

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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.