Home / 490,964.22-677,471.10-273,121.43

Finding the Fourth Proportional to 490,964.22, 677,471.10 and 273,121.43

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Solution

The fourth proportional to 490,964.22, 677,471.10 and 273,121.43 is: 376,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,964.22 : 677,471.10 = 273,121.43 : x
  2. Step 2: Convert to fraction form
    490,964.22/677,471.10 = 273,121.43/x
  3. Step 3: Cross multiply
    490,964.22x = 677,471.10 × 273,121.43
  4. Step 4: Simplify right side
    490,964.22x = 185,031,872,228.32
  5. Step 5: Solve for x
    x = 185,031,872,228.32/490,964.22
  6. Step 6: Final answer
    x = 376,874.45

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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.