Home / 695,267.28-1,043,013.72-215,382.96

Finding the Fourth Proportional to 695,267.28, 1,043,013.72 and 215,382.96

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Solution

The fourth proportional to 695,267.28, 1,043,013.72 and 215,382.96 is: 323,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,267.28 : 1,043,013.72 = 215,382.96 : x
  2. Step 2: Convert to fraction form
    695,267.28/1,043,013.72 = 215,382.96/x
  3. Step 3: Cross multiply
    695,267.28x = 1,043,013.72 × 215,382.96
  4. Step 4: Simplify right side
    695,267.28x = 224,647,382,334.21
  5. Step 5: Solve for x
    x = 224,647,382,334.21/695,267.28
  6. Step 6: Final answer
    x = 323,109.38

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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.