Home / 827,134.20-1,240,701.30-295,255.80

Finding the Fourth Proportional to 827,134.20, 1,240,701.30 and 295,255.80

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Solution

The fourth proportional to 827,134.20, 1,240,701.30 and 295,255.80 is: 442,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,134.20 : 1,240,701.30 = 295,255.80 : x
  2. Step 2: Convert to fraction form
    827,134.20/1,240,701.30 = 295,255.80/x
  3. Step 3: Cross multiply
    827,134.20x = 1,240,701.30 × 295,255.80
  4. Step 4: Simplify right side
    827,134.20x = 366,324,254,892.54
  5. Step 5: Solve for x
    x = 366,324,254,892.54/827,134.20
  6. Step 6: Final answer
    x = 442,883.70

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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.