Home / 820,556.92-1,230,933.66-251,863.54

Finding the Fourth Proportional to 820,556.92, 1,230,933.66 and 251,863.54

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Solution

The fourth proportional to 820,556.92, 1,230,933.66 and 251,863.54 is: 377,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,556.92 : 1,230,933.66 = 251,863.54 : x
  2. Step 2: Convert to fraction form
    820,556.92/1,230,933.66 = 251,863.54/x
  3. Step 3: Cross multiply
    820,556.92x = 1,230,933.66 × 251,863.54
  4. Step 4: Simplify right side
    820,556.92x = 310,027,309,112.76
  5. Step 5: Solve for x
    x = 310,027,309,112.76/820,556.92
  6. Step 6: Final answer
    x = 377,825.48

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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.