Home / 675,029.56-1,012,044.42-408,727.48

Finding the Fourth Proportional to 675,029.56, 1,012,044.42 and 408,727.48

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Solution

The fourth proportional to 675,029.56, 1,012,044.42 and 408,727.48 is: 612,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,029.56 : 1,012,044.42 = 408,727.48 : x
  2. Step 2: Convert to fraction form
    675,029.56/1,012,044.42 = 408,727.48/x
  3. Step 3: Cross multiply
    675,029.56x = 1,012,044.42 × 408,727.48
  4. Step 4: Simplify right side
    675,029.56x = 413,650,365,434.66
  5. Step 5: Solve for x
    x = 413,650,365,434.66/675,029.56
  6. Step 6: Final answer
    x = 612,788.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.