Home / 386,632.30-580,372.69-307,180.97

Finding the Fourth Proportional to 386,632.30, 580,372.69 and 307,180.97

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Solution

The fourth proportional to 386,632.30, 580,372.69 and 307,180.97 is: 461,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,632.30 : 580,372.69 = 307,180.97 : x
  2. Step 2: Convert to fraction form
    386,632.30/580,372.69 = 307,180.97/x
  3. Step 3: Cross multiply
    386,632.30x = 580,372.69 × 307,180.97
  4. Step 4: Simplify right side
    386,632.30x = 178,279,444,339.80
  5. Step 5: Solve for x
    x = 178,279,444,339.80/386,632.30
  6. Step 6: Final answer
    x = 461,108.51

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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.