Home / 827,270.28-1,240,976.90-228,231.44

Finding the Fourth Proportional to 827,270.28, 1,240,976.90 and 228,231.44

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Solution

The fourth proportional to 827,270.28, 1,240,976.90 and 228,231.44 is: 342,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,270.28 : 1,240,976.90 = 228,231.44 : x
  2. Step 2: Convert to fraction form
    827,270.28/1,240,976.90 = 228,231.44/x
  3. Step 3: Cross multiply
    827,270.28x = 1,240,976.90 × 228,231.44
  4. Step 4: Simplify right side
    827,270.28x = 283,229,944,893.74
  5. Step 5: Solve for x
    x = 283,229,944,893.74/827,270.28
  6. Step 6: Final answer
    x = 342,366.88

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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.