Home / 1,038.19-1,432.68-566.07

Finding the Fourth Proportional to 1,038.19, 1,432.68 and 566.07

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Solution

The fourth proportional to 1,038.19, 1,432.68 and 566.07 is: 781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038.19 : 1,432.68 = 566.07 : x
  2. Step 2: Convert to fraction form
    1,038.19/1,432.68 = 566.07/x
  3. Step 3: Cross multiply
    1,038.19x = 1,432.68 × 566.07
  4. Step 4: Simplify right side
    1,038.19x = 810,993.28
  5. Step 5: Solve for x
    x = 810,993.28/1,038.19
  6. Step 6: Final answer
    x = 781.16

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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.