Home / 490,967.62-677,558.28-273,177.50

Finding the Fourth Proportional to 490,967.62, 677,558.28 and 273,177.50

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Solution

The fourth proportional to 490,967.62, 677,558.28 and 273,177.50 is: 376,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,967.62 : 677,558.28 = 273,177.50 : x
  2. Step 2: Convert to fraction form
    490,967.62/677,558.28 = 273,177.50/x
  3. Step 3: Cross multiply
    490,967.62x = 677,558.28 × 273,177.50
  4. Step 4: Simplify right side
    490,967.62x = 185,093,677,034.70
  5. Step 5: Solve for x
    x = 185,093,677,034.70/490,967.62
  6. Step 6: Final answer
    x = 376,997.73

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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.