Home / 491,117.04-677,734.56-276,257.06

Finding the Fourth Proportional to 491,117.04, 677,734.56 and 276,257.06

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Solution

The fourth proportional to 491,117.04, 677,734.56 and 276,257.06 is: 381,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,117.04 : 677,734.56 = 276,257.06 : x
  2. Step 2: Convert to fraction form
    491,117.04/677,734.56 = 276,257.06/x
  3. Step 3: Cross multiply
    491,117.04x = 677,734.56 × 276,257.06
  4. Step 4: Simplify right side
    491,117.04x = 187,228,957,005.99
  5. Step 5: Solve for x
    x = 187,228,957,005.99/491,117.04
  6. Step 6: Final answer
    x = 381,230.83

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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.