Home / 492,280.36-739,961.94-324,876.46

Finding the Fourth Proportional to 492,280.36, 739,961.94 and 324,876.46

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Solution

The fourth proportional to 492,280.36, 739,961.94 and 324,876.46 is: 488,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,280.36 : 739,961.94 = 324,876.46 : x
  2. Step 2: Convert to fraction form
    492,280.36/739,961.94 = 324,876.46/x
  3. Step 3: Cross multiply
    492,280.36x = 739,961.94 × 324,876.46
  4. Step 4: Simplify right side
    492,280.36x = 240,396,215,601.93
  5. Step 5: Solve for x
    x = 240,396,215,601.93/492,280.36
  6. Step 6: Final answer
    x = 488,331.92

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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.