Home / 719,642.21-1,079,274.92-214,067.07

Finding the Fourth Proportional to 719,642.21, 1,079,274.92 and 214,067.07

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Solution

The fourth proportional to 719,642.21, 1,079,274.92 and 214,067.07 is: 321,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,642.21 : 1,079,274.92 = 214,067.07 : x
  2. Step 2: Convert to fraction form
    719,642.21/1,079,274.92 = 214,067.07/x
  3. Step 3: Cross multiply
    719,642.21x = 1,079,274.92 × 214,067.07
  4. Step 4: Simplify right side
    719,642.21x = 231,037,218,778.55
  5. Step 5: Solve for x
    x = 231,037,218,778.55/719,642.21
  6. Step 6: Final answer
    x = 321,044.57

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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.