Home / 775,321.35-1,162,505.75-301,454.34

Finding the Fourth Proportional to 775,321.35, 1,162,505.75 and 301,454.34

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Solution

The fourth proportional to 775,321.35, 1,162,505.75 and 301,454.34 is: 451,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,321.35 : 1,162,505.75 = 301,454.34 : x
  2. Step 2: Convert to fraction form
    775,321.35/1,162,505.75 = 301,454.34/x
  3. Step 3: Cross multiply
    775,321.35x = 1,162,505.75 × 301,454.34
  4. Step 4: Simplify right side
    775,321.35x = 350,442,402,105.18
  5. Step 5: Solve for x
    x = 350,442,402,105.18/775,321.35
  6. Step 6: Final answer
    x = 451,996.33

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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.