Home / 685,119.75-1,027,605.79-179,731.38

Finding the Fourth Proportional to 685,119.75, 1,027,605.79 and 179,731.38

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Solution

The fourth proportional to 685,119.75, 1,027,605.79 and 179,731.38 is: 269,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,119.75 : 1,027,605.79 = 179,731.38 : x
  2. Step 2: Convert to fraction form
    685,119.75/1,027,605.79 = 179,731.38/x
  3. Step 3: Cross multiply
    685,119.75x = 1,027,605.79 × 179,731.38
  4. Step 4: Simplify right side
    685,119.75x = 184,693,006,732.69
  5. Step 5: Solve for x
    x = 184,693,006,732.69/685,119.75
  6. Step 6: Final answer
    x = 269,577.70

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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.