Home / 880,470.52-1,321,297.63-311,849.61

Finding the Fourth Proportional to 880,470.52, 1,321,297.63 and 311,849.61

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Solution

The fourth proportional to 880,470.52, 1,321,297.63 and 311,849.61 is: 467,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,470.52 : 1,321,297.63 = 311,849.61 : x
  2. Step 2: Convert to fraction form
    880,470.52/1,321,297.63 = 311,849.61/x
  3. Step 3: Cross multiply
    880,470.52x = 1,321,297.63 × 311,849.61
  4. Step 4: Simplify right side
    880,470.52x = 412,046,150,609.42
  5. Step 5: Solve for x
    x = 412,046,150,609.42/880,470.52
  6. Step 6: Final answer
    x = 467,984.04

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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.