Home / 491,297.46-677,983.38-276,437.70

Finding the Fourth Proportional to 491,297.46, 677,983.38 and 276,437.70

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Solution

The fourth proportional to 491,297.46, 677,983.38 and 276,437.70 is: 381,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,297.46 : 677,983.38 = 276,437.70 : x
  2. Step 2: Convert to fraction form
    491,297.46/677,983.38 = 276,437.70/x
  3. Step 3: Cross multiply
    491,297.46x = 677,983.38 × 276,437.70
  4. Step 4: Simplify right side
    491,297.46x = 187,420,166,205.43
  5. Step 5: Solve for x
    x = 187,420,166,205.43/491,297.46
  6. Step 6: Final answer
    x = 381,480.02

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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.