Home / 827,380.62-1,240,764.39-294,760.26

Finding the Fourth Proportional to 827,380.62, 1,240,764.39 and 294,760.26

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Solution

The fourth proportional to 827,380.62, 1,240,764.39 and 294,760.26 is: 442,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,380.62 : 1,240,764.39 = 294,760.26 : x
  2. Step 2: Convert to fraction form
    827,380.62/1,240,764.39 = 294,760.26/x
  3. Step 3: Cross multiply
    827,380.62x = 1,240,764.39 × 294,760.26
  4. Step 4: Simplify right side
    827,380.62x = 365,728,034,195.14
  5. Step 5: Solve for x
    x = 365,728,034,195.14/827,380.62
  6. Step 6: Final answer
    x = 442,031.18

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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.