Home / 672,469.56-1,008,707.58-199,163.88

Finding the Fourth Proportional to 672,469.56, 1,008,707.58 and 199,163.88

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Solution

The fourth proportional to 672,469.56, 1,008,707.58 and 199,163.88 is: 298,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,469.56 : 1,008,707.58 = 199,163.88 : x
  2. Step 2: Convert to fraction form
    672,469.56/1,008,707.58 = 199,163.88/x
  3. Step 3: Cross multiply
    672,469.56x = 1,008,707.58 × 199,163.88
  4. Step 4: Simplify right side
    672,469.56x = 200,898,115,418.21
  5. Step 5: Solve for x
    x = 200,898,115,418.21/672,469.56
  6. Step 6: Final answer
    x = 298,746.78

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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.