Home / 711,819.66-1,067,418.44-213,067.02

Finding the Fourth Proportional to 711,819.66, 1,067,418.44 and 213,067.02

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Solution

The fourth proportional to 711,819.66, 1,067,418.44 and 213,067.02 is: 319,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,819.66 : 1,067,418.44 = 213,067.02 : x
  2. Step 2: Convert to fraction form
    711,819.66/1,067,418.44 = 213,067.02/x
  3. Step 3: Cross multiply
    711,819.66x = 1,067,418.44 × 213,067.02
  4. Step 4: Simplify right side
    711,819.66x = 227,431,666,103.85
  5. Step 5: Solve for x
    x = 227,431,666,103.85/711,819.66
  6. Step 6: Final answer
    x = 319,507.42

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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.