Home / 814,771.30-1,222,448.55-341,601.70

Finding the Fourth Proportional to 814,771.30, 1,222,448.55 and 341,601.70

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Solution

The fourth proportional to 814,771.30, 1,222,448.55 and 341,601.70 is: 512,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,771.30 : 1,222,448.55 = 341,601.70 : x
  2. Step 2: Convert to fraction form
    814,771.30/1,222,448.55 = 341,601.70/x
  3. Step 3: Cross multiply
    814,771.30x = 1,222,448.55 × 341,601.70
  4. Step 4: Simplify right side
    814,771.30x = 417,590,502,842.54
  5. Step 5: Solve for x
    x = 417,590,502,842.54/814,771.30
  6. Step 6: Final answer
    x = 512,524.81

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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.