Home / 694,736.60-1,042,007.70-221,469.80

Finding the Fourth Proportional to 694,736.60, 1,042,007.70 and 221,469.80

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Solution

The fourth proportional to 694,736.60, 1,042,007.70 and 221,469.80 is: 332,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,736.60 : 1,042,007.70 = 221,469.80 : x
  2. Step 2: Convert to fraction form
    694,736.60/1,042,007.70 = 221,469.80/x
  3. Step 3: Cross multiply
    694,736.60x = 1,042,007.70 × 221,469.80
  4. Step 4: Simplify right side
    694,736.60x = 230,773,236,917.46
  5. Step 5: Solve for x
    x = 230,773,236,917.46/694,736.60
  6. Step 6: Final answer
    x = 332,173.71

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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.