Home / 685,992.82-1,029,104.96-236,593.48

Finding the Fourth Proportional to 685,992.82, 1,029,104.96 and 236,593.48

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Solution

The fourth proportional to 685,992.82, 1,029,104.96 and 236,593.48 is: 354,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,992.82 : 1,029,104.96 = 236,593.48 : x
  2. Step 2: Convert to fraction form
    685,992.82/1,029,104.96 = 236,593.48/x
  3. Step 3: Cross multiply
    685,992.82x = 1,029,104.96 × 236,593.48
  4. Step 4: Simplify right side
    685,992.82x = 243,479,523,771.66
  5. Step 5: Solve for x
    x = 243,479,523,771.66/685,992.82
  6. Step 6: Final answer
    x = 354,930.13

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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.