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Finding the Fourth Proportional to 1,015.36, 1,524.16 and 834.56

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Solution

The fourth proportional to 1,015.36, 1,524.16 and 834.56 is: 1,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.36 : 1,524.16 = 834.56 : x
  2. Step 2: Convert to fraction form
    1,015.36/1,524.16 = 834.56/x
  3. Step 3: Cross multiply
    1,015.36x = 1,524.16 × 834.56
  4. Step 4: Simplify right side
    1,015.36x = 1,272,002.97
  5. Step 5: Solve for x
    x = 1,272,002.97/1,015.36
  6. Step 6: Final answer
    x = 1,252.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.