Home / 490,971.98-677,568.14-276,124.75

Finding the Fourth Proportional to 490,971.98, 677,568.14 and 276,124.75

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Solution

The fourth proportional to 490,971.98, 677,568.14 and 276,124.75 is: 381,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,971.98 : 677,568.14 = 276,124.75 : x
  2. Step 2: Convert to fraction form
    490,971.98/677,568.14 = 276,124.75/x
  3. Step 3: Cross multiply
    490,971.98x = 677,568.14 × 276,124.75
  4. Step 4: Simplify right side
    490,971.98x = 187,093,331,226.39
  5. Step 5: Solve for x
    x = 187,093,331,226.39/490,971.98
  6. Step 6: Final answer
    x = 381,067.23

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1.5x scale

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.