Home / 685,118.18-1,027,603.43-179,729.82

Finding the Fourth Proportional to 685,118.18, 1,027,603.43 and 179,729.82

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Solution

The fourth proportional to 685,118.18, 1,027,603.43 and 179,729.82 is: 269,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,118.18 : 1,027,603.43 = 179,729.82 : x
  2. Step 2: Convert to fraction form
    685,118.18/1,027,603.43 = 179,729.82/x
  3. Step 3: Cross multiply
    685,118.18x = 1,027,603.43 × 179,729.82
  4. Step 4: Simplify right side
    685,118.18x = 184,690,978,606.63
  5. Step 5: Solve for x
    x = 184,690,978,606.63/685,118.18
  6. Step 6: Final answer
    x = 269,575.36

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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.