Home / 695,748.64-1,043,771.91-215,965.91

Finding the Fourth Proportional to 695,748.64, 1,043,771.91 and 215,965.91

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Solution

The fourth proportional to 695,748.64, 1,043,771.91 and 215,965.91 is: 323,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,748.64 : 1,043,771.91 = 215,965.91 : x
  2. Step 2: Convert to fraction form
    695,748.64/1,043,771.91 = 215,965.91/x
  3. Step 3: Cross multiply
    695,748.64x = 1,043,771.91 × 215,965.91
  4. Step 4: Simplify right side
    695,748.64x = 225,419,150,375.59
  5. Step 5: Solve for x
    x = 225,419,150,375.59/695,748.64
  6. Step 6: Final answer
    x = 323,995.10

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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.