Home / 814,429.44-1,222,122.24-341,078.40

Finding the Fourth Proportional to 814,429.44, 1,222,122.24 and 341,078.40

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Solution

The fourth proportional to 814,429.44, 1,222,122.24 and 341,078.40 is: 511,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,429.44 : 1,222,122.24 = 341,078.40 : x
  2. Step 2: Convert to fraction form
    814,429.44/1,222,122.24 = 341,078.40/x
  3. Step 3: Cross multiply
    814,429.44x = 1,222,122.24 × 341,078.40
  4. Step 4: Simplify right side
    814,429.44x = 416,839,498,223.62
  5. Step 5: Solve for x
    x = 416,839,498,223.62/814,429.44
  6. Step 6: Final answer
    x = 511,817.82

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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.