Home / 491,033.31-677,619.29-276,173.32

Finding the Fourth Proportional to 491,033.31, 677,619.29 and 276,173.32

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Solution

The fourth proportional to 491,033.31, 677,619.29 and 276,173.32 is: 381,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,033.31 : 677,619.29 = 276,173.32 : x
  2. Step 2: Convert to fraction form
    491,033.31/677,619.29 = 276,173.32/x
  3. Step 3: Cross multiply
    491,033.31x = 677,619.29 × 276,173.32
  4. Step 4: Simplify right side
    491,033.31x = 187,140,368,011.73
  5. Step 5: Solve for x
    x = 187,140,368,011.73/491,033.31
  6. Step 6: Final answer
    x = 381,115.42

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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.