Home / 878,982.60-1,318,356.78-247,947.24

Finding the Fourth Proportional to 878,982.60, 1,318,356.78 and 247,947.24

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Solution

The fourth proportional to 878,982.60, 1,318,356.78 and 247,947.24 is: 371,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,982.60 : 1,318,356.78 = 247,947.24 : x
  2. Step 2: Convert to fraction form
    878,982.60/1,318,356.78 = 247,947.24/x
  3. Step 3: Cross multiply
    878,982.60x = 1,318,356.78 × 247,947.24
  4. Step 4: Simplify right side
    878,982.60x = 326,882,924,936.29
  5. Step 5: Solve for x
    x = 326,882,924,936.29/878,982.60
  6. Step 6: Final answer
    x = 371,887.82

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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.