Home / 551,147.60-826,721.40-314,514.20

Finding the Fourth Proportional to 551,147.60, 826,721.40 and 314,514.20

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Solution

The fourth proportional to 551,147.60, 826,721.40 and 314,514.20 is: 471,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,147.60 : 826,721.40 = 314,514.20 : x
  2. Step 2: Convert to fraction form
    551,147.60/826,721.40 = 314,514.20/x
  3. Step 3: Cross multiply
    551,147.60x = 826,721.40 × 314,514.20
  4. Step 4: Simplify right side
    551,147.60x = 260,015,619,743.88
  5. Step 5: Solve for x
    x = 260,015,619,743.88/551,147.60
  6. Step 6: Final answer
    x = 471,771.30

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Similar ratio
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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.