Home / 494,505.27-682,504.64-290,556.15

Finding the Fourth Proportional to 494,505.27, 682,504.64 and 290,556.15

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Solution

The fourth proportional to 494,505.27, 682,504.64 and 290,556.15 is: 401,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,505.27 : 682,504.64 = 290,556.15 : x
  2. Step 2: Convert to fraction form
    494,505.27/682,504.64 = 290,556.15/x
  3. Step 3: Cross multiply
    494,505.27x = 682,504.64 × 290,556.15
  4. Step 4: Simplify right side
    494,505.27x = 198,305,920,555.54
  5. Step 5: Solve for x
    x = 198,305,920,555.54/494,505.27
  6. Step 6: Final answer
    x = 401,018.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.