Home / 1,480.38-2,220.33-506.46

Finding the Fourth Proportional to 1,480.38, 2,220.33 and 506.46

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Solution

The fourth proportional to 1,480.38, 2,220.33 and 506.46 is: 759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.38 : 2,220.33 = 506.46 : x
  2. Step 2: Convert to fraction form
    1,480.38/2,220.33 = 506.46/x
  3. Step 3: Cross multiply
    1,480.38x = 2,220.33 × 506.46
  4. Step 4: Simplify right side
    1,480.38x = 1,124,508.33
  5. Step 5: Solve for x
    x = 1,124,508.33/1,480.38
  6. Step 6: Final answer
    x = 759.61

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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.