Home / 685,233.14-1,027,775.84-179,844.78

Finding the Fourth Proportional to 685,233.14, 1,027,775.84 and 179,844.78

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Solution

The fourth proportional to 685,233.14, 1,027,775.84 and 179,844.78 is: 269,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,233.14 : 1,027,775.84 = 179,844.78 : x
  2. Step 2: Convert to fraction form
    685,233.14/1,027,775.84 = 179,844.78/x
  3. Step 3: Cross multiply
    685,233.14x = 1,027,775.84 × 179,844.78
  4. Step 4: Simplify right side
    685,233.14x = 184,840,119,834.12
  5. Step 5: Solve for x
    x = 184,840,119,834.12/685,233.14
  6. Step 6: Final answer
    x = 269,747.78

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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.