Home / 844,216.76-1,266,026.24-311,594.78

Finding the Fourth Proportional to 844,216.76, 1,266,026.24 and 311,594.78

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Solution

The fourth proportional to 844,216.76, 1,266,026.24 and 311,594.78 is: 467,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,216.76 : 1,266,026.24 = 311,594.78 : x
  2. Step 2: Convert to fraction form
    844,216.76/1,266,026.24 = 311,594.78/x
  3. Step 3: Cross multiply
    844,216.76x = 1,266,026.24 × 311,594.78
  4. Step 4: Simplify right side
    844,216.76x = 394,487,167,727.03
  5. Step 5: Solve for x
    x = 394,487,167,727.03/844,216.76
  6. Step 6: Final answer
    x = 467,281.85

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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.