Home / 852,061.60-1,278,092.40-253,115.20

Finding the Fourth Proportional to 852,061.60, 1,278,092.40 and 253,115.20

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Solution

The fourth proportional to 852,061.60, 1,278,092.40 and 253,115.20 is: 379,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,061.60 : 1,278,092.40 = 253,115.20 : x
  2. Step 2: Convert to fraction form
    852,061.60/1,278,092.40 = 253,115.20/x
  3. Step 3: Cross multiply
    852,061.60x = 1,278,092.40 × 253,115.20
  4. Step 4: Simplify right side
    852,061.60x = 323,504,613,444.48
  5. Step 5: Solve for x
    x = 323,504,613,444.48/852,061.60
  6. Step 6: Final answer
    x = 379,672.80

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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.