Home / 718,609.20-1,077,729.94-213,051.96

Finding the Fourth Proportional to 718,609.20, 1,077,729.94 and 213,051.96

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Solution

The fourth proportional to 718,609.20, 1,077,729.94 and 213,051.96 is: 319,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,609.20 : 1,077,729.94 = 213,051.96 : x
  2. Step 2: Convert to fraction form
    718,609.20/1,077,729.94 = 213,051.96/x
  3. Step 3: Cross multiply
    718,609.20x = 1,077,729.94 × 213,051.96
  4. Step 4: Simplify right side
    718,609.20x = 229,612,476,067.68
  5. Step 5: Solve for x
    x = 229,612,476,067.68/718,609.20
  6. Step 6: Final answer
    x = 319,523.43

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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.