Home / 1,016.28-1,524.30-453.48

Finding the Fourth Proportional to 1,016.28, 1,524.30 and 453.48

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Solution

The fourth proportional to 1,016.28, 1,524.30 and 453.48 is: 680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.28 : 1,524.30 = 453.48 : x
  2. Step 2: Convert to fraction form
    1,016.28/1,524.30 = 453.48/x
  3. Step 3: Cross multiply
    1,016.28x = 1,524.30 × 453.48
  4. Step 4: Simplify right side
    1,016.28x = 691,239.56
  5. Step 5: Solve for x
    x = 691,239.56/1,016.28
  6. Step 6: Final answer
    x = 680.17

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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.