Home / 491,180.68-677,822.58-276,320.68

Finding the Fourth Proportional to 491,180.68, 677,822.58 and 276,320.68

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Solution

The fourth proportional to 491,180.68, 677,822.58 and 276,320.68 is: 381,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,180.68 : 677,822.58 = 276,320.68 : x
  2. Step 2: Convert to fraction form
    491,180.68/677,822.58 = 276,320.68/x
  3. Step 3: Cross multiply
    491,180.68x = 677,822.58 × 276,320.68
  4. Step 4: Simplify right side
    491,180.68x = 187,296,396,224.95
  5. Step 5: Solve for x
    x = 187,296,396,224.95/491,180.68
  6. Step 6: Final answer
    x = 381,318.74

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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.