Home / 492,280.37-739,961.94-324,876.45

Finding the Fourth Proportional to 492,280.37, 739,961.94 and 324,876.45

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Solution

The fourth proportional to 492,280.37, 739,961.94 and 324,876.45 is: 488,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,280.37 : 739,961.94 = 324,876.45 : x
  2. Step 2: Convert to fraction form
    492,280.37/739,961.94 = 324,876.45/x
  3. Step 3: Cross multiply
    492,280.37x = 739,961.94 × 324,876.45
  4. Step 4: Simplify right side
    492,280.37x = 240,396,208,202.31
  5. Step 5: Solve for x
    x = 240,396,208,202.31/492,280.37
  6. Step 6: Final answer
    x = 488,331.90

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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.