Home / 878,662.20-1,318,241.34-247,581.48

Finding the Fourth Proportional to 878,662.20, 1,318,241.34 and 247,581.48

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Solution

The fourth proportional to 878,662.20, 1,318,241.34 and 247,581.48 is: 371,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,662.20 : 1,318,241.34 = 247,581.48 : x
  2. Step 2: Convert to fraction form
    878,662.20/1,318,241.34 = 247,581.48/x
  3. Step 3: Cross multiply
    878,662.20x = 1,318,241.34 × 247,581.48
  4. Step 4: Simplify right side
    878,662.20x = 326,372,141,954.38
  5. Step 5: Solve for x
    x = 326,372,141,954.38/878,662.20
  6. Step 6: Final answer
    x = 371,442.11

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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.