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Finding the Fourth Proportional to 1,480.46, 2,221.04 and 506.54

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Solution

The fourth proportional to 1,480.46, 2,221.04 and 506.54 is: 759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.46 : 2,221.04 = 506.54 : x
  2. Step 2: Convert to fraction form
    1,480.46/2,221.04 = 506.54/x
  3. Step 3: Cross multiply
    1,480.46x = 2,221.04 × 506.54
  4. Step 4: Simplify right side
    1,480.46x = 1,125,045.60
  5. Step 5: Solve for x
    x = 1,125,045.60/1,480.46
  6. Step 6: Final answer
    x = 759.93

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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.