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Finding the Fourth Proportional to 925.09, 1,276.90 and 593.53

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Solution

The fourth proportional to 925.09, 1,276.90 and 593.53 is: 819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.09 : 1,276.90 = 593.53 : x
  2. Step 2: Convert to fraction form
    925.09/1,276.90 = 593.53/x
  3. Step 3: Cross multiply
    925.09x = 1,276.90 × 593.53
  4. Step 4: Simplify right side
    925.09x = 757,873.78
  5. Step 5: Solve for x
    x = 757,873.78/925.09
  6. Step 6: Final answer
    x = 819.25

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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.