Home / 497,837.25-687,067.25-306,845.73

Finding the Fourth Proportional to 497,837.25, 687,067.25 and 306,845.73

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Solution

The fourth proportional to 497,837.25, 687,067.25 and 306,845.73 is: 423,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,837.25 : 687,067.25 = 306,845.73 : x
  2. Step 2: Convert to fraction form
    497,837.25/687,067.25 = 306,845.73/x
  3. Step 3: Cross multiply
    497,837.25x = 687,067.25 × 306,845.73
  4. Step 4: Simplify right side
    497,837.25x = 210,823,650,351.11
  5. Step 5: Solve for x
    x = 210,823,650,351.11/497,837.25
  6. Step 6: Final answer
    x = 423,479.06

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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.