Home / 719,558.64-1,079,149.77-213,983.37

Finding the Fourth Proportional to 719,558.64, 1,079,149.77 and 213,983.37

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Solution

The fourth proportional to 719,558.64, 1,079,149.77 and 213,983.37 is: 320,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,558.64 : 1,079,149.77 = 213,983.37 : x
  2. Step 2: Convert to fraction form
    719,558.64/1,079,149.77 = 213,983.37/x
  3. Step 3: Cross multiply
    719,558.64x = 1,079,149.77 × 213,983.37
  4. Step 4: Simplify right side
    719,558.64x = 230,920,104,519.33
  5. Step 5: Solve for x
    x = 230,920,104,519.33/719,558.64
  6. Step 6: Final answer
    x = 320,919.09

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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.