Home / 851,147.76-1,174,583.56-469,180.92

Finding the Fourth Proportional to 851,147.76, 1,174,583.56 and 469,180.92

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Solution

The fourth proportional to 851,147.76, 1,174,583.56 and 469,180.92 is: 647,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,147.76 : 1,174,583.56 = 469,180.92 : x
  2. Step 2: Convert to fraction form
    851,147.76/1,174,583.56 = 469,180.92/x
  3. Step 3: Cross multiply
    851,147.76x = 1,174,583.56 × 469,180.92
  4. Step 4: Simplify right side
    851,147.76x = 551,092,195,297.68
  5. Step 5: Solve for x
    x = 551,092,195,297.68/851,147.76
  6. Step 6: Final answer
    x = 647,469.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.