Home / 814,764.60-1,222,218-335,021.58

Finding the Fourth Proportional to 814,764.60, 1,222,218 and 335,021.58

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Solution

The fourth proportional to 814,764.60, 1,222,218 and 335,021.58 is: 502,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,764.60 : 1,222,218 = 335,021.58 : x
  2. Step 2: Convert to fraction form
    814,764.60/1,222,218 = 335,021.58/x
  3. Step 3: Cross multiply
    814,764.60x = 1,222,218 × 335,021.58
  4. Step 4: Simplify right side
    814,764.60x = 409,469,405,464.44
  5. Step 5: Solve for x
    x = 409,469,405,464.44/814,764.60
  6. Step 6: Final answer
    x = 502,561.61

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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.