Home / 880,454.55-1,321,273.67-311,833.61

Finding the Fourth Proportional to 880,454.55, 1,321,273.67 and 311,833.61

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Solution

The fourth proportional to 880,454.55, 1,321,273.67 and 311,833.61 is: 467,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,454.55 : 1,321,273.67 = 311,833.61 : x
  2. Step 2: Convert to fraction form
    880,454.55/1,321,273.67 = 311,833.61/x
  3. Step 3: Cross multiply
    880,454.55x = 1,321,273.67 × 311,833.61
  4. Step 4: Simplify right side
    880,454.55x = 412,017,530,148.51
  5. Step 5: Solve for x
    x = 412,017,530,148.51/880,454.55
  6. Step 6: Final answer
    x = 467,960.02

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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.