Home / 851,790.60-1,277,685.90-252,844.20

Finding the Fourth Proportional to 851,790.60, 1,277,685.90 and 252,844.20

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Solution

The fourth proportional to 851,790.60, 1,277,685.90 and 252,844.20 is: 379,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,790.60 : 1,277,685.90 = 252,844.20 : x
  2. Step 2: Convert to fraction form
    851,790.60/1,277,685.90 = 252,844.20/x
  3. Step 3: Cross multiply
    851,790.60x = 1,277,685.90 × 252,844.20
  4. Step 4: Simplify right side
    851,790.60x = 323,055,469,236.78
  5. Step 5: Solve for x
    x = 323,055,469,236.78/851,790.60
  6. Step 6: Final answer
    x = 379,266.30

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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.