Home / 852,819.48-1,279,229.04-253,789.20

Finding the Fourth Proportional to 852,819.48, 1,279,229.04 and 253,789.20

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Solution

The fourth proportional to 852,819.48, 1,279,229.04 and 253,789.20 is: 380,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,819.48 : 1,279,229.04 = 253,789.20 : x
  2. Step 2: Convert to fraction form
    852,819.48/1,279,229.04 = 253,789.20/x
  3. Step 3: Cross multiply
    852,819.48x = 1,279,229.04 × 253,789.20
  4. Step 4: Simplify right side
    852,819.48x = 324,654,514,678.37
  5. Step 5: Solve for x
    x = 324,654,514,678.37/852,819.48
  6. Step 6: Final answer
    x = 380,683.75

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Double scale
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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.