Home / 925.18-1,276.56-589.18

Finding the Fourth Proportional to 925.18, 1,276.56 and 589.18

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Solution

The fourth proportional to 925.18, 1,276.56 and 589.18 is: 812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.18 : 1,276.56 = 589.18 : x
  2. Step 2: Convert to fraction form
    925.18/1,276.56 = 589.18/x
  3. Step 3: Cross multiply
    925.18x = 1,276.56 × 589.18
  4. Step 4: Simplify right side
    925.18x = 752,123.62
  5. Step 5: Solve for x
    x = 752,123.62/925.18
  6. Step 6: Final answer
    x = 812.95

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Double scale
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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.