Home / 878,942.97-1,318,414.46-317,846.25

Finding the Fourth Proportional to 878,942.97, 1,318,414.46 and 317,846.25

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Solution

The fourth proportional to 878,942.97, 1,318,414.46 and 317,846.25 is: 476,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,942.97 : 1,318,414.46 = 317,846.25 : x
  2. Step 2: Convert to fraction form
    878,942.97/1,318,414.46 = 317,846.25/x
  3. Step 3: Cross multiply
    878,942.97x = 1,318,414.46 × 317,846.25
  4. Step 4: Simplify right side
    878,942.97x = 419,053,090,467.54
  5. Step 5: Solve for x
    x = 419,053,090,467.54/878,942.97
  6. Step 6: Final answer
    x = 476,769.38

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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.