Home / 748,339.26-1,122,508.89-274,819.74

Finding the Fourth Proportional to 748,339.26, 1,122,508.89 and 274,819.74

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Solution

The fourth proportional to 748,339.26, 1,122,508.89 and 274,819.74 is: 412,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,339.26 : 1,122,508.89 = 274,819.74 : x
  2. Step 2: Convert to fraction form
    748,339.26/1,122,508.89 = 274,819.74/x
  3. Step 3: Cross multiply
    748,339.26x = 1,122,508.89 × 274,819.74
  4. Step 4: Simplify right side
    748,339.26x = 308,487,601,297.49
  5. Step 5: Solve for x
    x = 308,487,601,297.49/748,339.26
  6. Step 6: Final answer
    x = 412,229.61

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Similar ratio
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1.5x scale

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.