Home / 491,218.47-677,833.22-276,353.91

Finding the Fourth Proportional to 491,218.47, 677,833.22 and 276,353.91

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Solution

The fourth proportional to 491,218.47, 677,833.22 and 276,353.91 is: 381,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,218.47 : 677,833.22 = 276,353.91 : x
  2. Step 2: Convert to fraction form
    491,218.47/677,833.22 = 276,353.91/x
  3. Step 3: Cross multiply
    491,218.47x = 677,833.22 × 276,353.91
  4. Step 4: Simplify right side
    491,218.47x = 187,321,859,293.12
  5. Step 5: Solve for x
    x = 187,321,859,293.12/491,218.47
  6. Step 6: Final answer
    x = 381,341.24

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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.