Home / 1,324.27-1,986.41-502.39

Finding the Fourth Proportional to 1,324.27, 1,986.41 and 502.39

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Solution

The fourth proportional to 1,324.27, 1,986.41 and 502.39 is: 753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.27 : 1,986.41 = 502.39 : x
  2. Step 2: Convert to fraction form
    1,324.27/1,986.41 = 502.39/x
  3. Step 3: Cross multiply
    1,324.27x = 1,986.41 × 502.39
  4. Step 4: Simplify right side
    1,324.27x = 997,952.52
  5. Step 5: Solve for x
    x = 997,952.52/1,324.27
  6. Step 6: Final answer
    x = 753.59

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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.