Home / 445,734.45-667,694.48-276,736.05

Finding the Fourth Proportional to 445,734.45, 667,694.48 and 276,736.05

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Solution

The fourth proportional to 445,734.45, 667,694.48 and 276,736.05 is: 414,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,734.45 : 667,694.48 = 276,736.05 : x
  2. Step 2: Convert to fraction form
    445,734.45/667,694.48 = 276,736.05/x
  3. Step 3: Cross multiply
    445,734.45x = 667,694.48 × 276,736.05
  4. Step 4: Simplify right side
    445,734.45x = 184,775,131,618.32
  5. Step 5: Solve for x
    x = 184,775,131,618.32/445,734.45
  6. Step 6: Final answer
    x = 414,540.84

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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.