Home / 906,976.45-1,360,464.68-330,642.97

Finding the Fourth Proportional to 906,976.45, 1,360,464.68 and 330,642.97

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Solution

The fourth proportional to 906,976.45, 1,360,464.68 and 330,642.97 is: 495,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,976.45 : 1,360,464.68 = 330,642.97 : x
  2. Step 2: Convert to fraction form
    906,976.45/1,360,464.68 = 330,642.97/x
  3. Step 3: Cross multiply
    906,976.45x = 1,360,464.68 × 330,642.97
  4. Step 4: Simplify right side
    906,976.45x = 449,828,082,375.30
  5. Step 5: Solve for x
    x = 449,828,082,375.30/906,976.45
  6. Step 6: Final answer
    x = 495,964.46

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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.