Home / 979,333.32-1,469,621.42-418,372.04

Finding the Fourth Proportional to 979,333.32, 1,469,621.42 and 418,372.04

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Solution

The fourth proportional to 979,333.32, 1,469,621.42 and 418,372.04 is: 627,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,333.32 : 1,469,621.42 = 418,372.04 : x
  2. Step 2: Convert to fraction form
    979,333.32/1,469,621.42 = 418,372.04/x
  3. Step 3: Cross multiply
    979,333.32x = 1,469,621.42 × 418,372.04
  4. Step 4: Simplify right side
    979,333.32x = 614,848,511,513.10
  5. Step 5: Solve for x
    x = 614,848,511,513.10/979,333.32
  6. Step 6: Final answer
    x = 627,823.54

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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.