Home / 685,221.02-1,027,757.67-179,832.66

Finding the Fourth Proportional to 685,221.02, 1,027,757.67 and 179,832.66

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Solution

The fourth proportional to 685,221.02, 1,027,757.67 and 179,832.66 is: 269,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,221.02 : 1,027,757.67 = 179,832.66 : x
  2. Step 2: Convert to fraction form
    685,221.02/1,027,757.67 = 179,832.66/x
  3. Step 3: Cross multiply
    685,221.02x = 1,027,757.67 × 179,832.66
  4. Step 4: Simplify right side
    685,221.02x = 184,824,391,103.04
  5. Step 5: Solve for x
    x = 184,824,391,103.04/685,221.02
  6. Step 6: Final answer
    x = 269,729.60

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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.