Home / 490,974.48-677,538.36-276,114.48

Finding the Fourth Proportional to 490,974.48, 677,538.36 and 276,114.48

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Solution

The fourth proportional to 490,974.48, 677,538.36 and 276,114.48 is: 381,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,974.48 : 677,538.36 = 276,114.48 : x
  2. Step 2: Convert to fraction form
    490,974.48/677,538.36 = 276,114.48/x
  3. Step 3: Cross multiply
    490,974.48x = 677,538.36 × 276,114.48
  4. Step 4: Simplify right side
    490,974.48x = 187,078,151,951.45
  5. Step 5: Solve for x
    x = 187,078,151,951.45/490,974.48
  6. Step 6: Final answer
    x = 381,034.37

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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.