Home / 685,105.32-1,027,745.46-264,501.48

Finding the Fourth Proportional to 685,105.32, 1,027,745.46 and 264,501.48

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Solution

The fourth proportional to 685,105.32, 1,027,745.46 and 264,501.48 is: 396,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,105.32 : 1,027,745.46 = 264,501.48 : x
  2. Step 2: Convert to fraction form
    685,105.32/1,027,745.46 = 264,501.48/x
  3. Step 3: Cross multiply
    685,105.32x = 1,027,745.46 × 264,501.48
  4. Step 4: Simplify right side
    685,105.32x = 271,840,195,233.28
  5. Step 5: Solve for x
    x = 271,840,195,233.28/685,105.32
  6. Step 6: Final answer
    x = 396,785.99

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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.