Home / 685,051.70-1,027,675.94-211,773.96

Finding the Fourth Proportional to 685,051.70, 1,027,675.94 and 211,773.96

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Solution

The fourth proportional to 685,051.70, 1,027,675.94 and 211,773.96 is: 317,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,051.70 : 1,027,675.94 = 211,773.96 : x
  2. Step 2: Convert to fraction form
    685,051.70/1,027,675.94 = 211,773.96/x
  3. Step 3: Cross multiply
    685,051.70x = 1,027,675.94 × 211,773.96
  4. Step 4: Simplify right side
    685,051.70x = 217,635,002,351.65
  5. Step 5: Solve for x
    x = 217,635,002,351.65/685,051.70
  6. Step 6: Final answer
    x = 317,691.36

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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.