Home / 719,514.32-1,079,083.46-213,939.19

Finding the Fourth Proportional to 719,514.32, 1,079,083.46 and 213,939.19

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Solution

The fourth proportional to 719,514.32, 1,079,083.46 and 213,939.19 is: 320,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,514.32 : 1,079,083.46 = 213,939.19 : x
  2. Step 2: Convert to fraction form
    719,514.32/1,079,083.46 = 213,939.19/x
  3. Step 3: Cross multiply
    719,514.32x = 1,079,083.46 × 213,939.19
  4. Step 4: Simplify right side
    719,514.32x = 230,858,239,211.94
  5. Step 5: Solve for x
    x = 230,858,239,211.94/719,514.32
  6. Step 6: Final answer
    x = 320,852.88

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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.