Home / 491,022.41-677,558.09-276,116.85

Finding the Fourth Proportional to 491,022.41, 677,558.09 and 276,116.85

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Solution

The fourth proportional to 491,022.41, 677,558.09 and 276,116.85 is: 381,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,022.41 : 677,558.09 = 276,116.85 : x
  2. Step 2: Convert to fraction form
    491,022.41/677,558.09 = 276,116.85/x
  3. Step 3: Cross multiply
    491,022.41x = 677,558.09 × 276,116.85
  4. Step 4: Simplify right side
    491,022.41x = 187,085,204,122.23
  5. Step 5: Solve for x
    x = 187,085,204,122.23/491,022.41
  6. Step 6: Final answer
    x = 381,011.54

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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.