Home / 711,979.18-1,067,832.66-213,343.18

Finding the Fourth Proportional to 711,979.18, 1,067,832.66 and 213,343.18

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Solution

The fourth proportional to 711,979.18, 1,067,832.66 and 213,343.18 is: 319,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,979.18 : 1,067,832.66 = 213,343.18 : x
  2. Step 2: Convert to fraction form
    711,979.18/1,067,832.66 = 213,343.18/x
  3. Step 3: Cross multiply
    711,979.18x = 1,067,832.66 × 213,343.18
  4. Step 4: Simplify right side
    711,979.18x = 227,814,815,392.26
  5. Step 5: Solve for x
    x = 227,814,815,392.26/711,979.18
  6. Step 6: Final answer
    x = 319,973.98

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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.