Home / 694,704.54-1,042,037.37-221,418.30

Finding the Fourth Proportional to 694,704.54, 1,042,037.37 and 221,418.30

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Solution

The fourth proportional to 694,704.54, 1,042,037.37 and 221,418.30 is: 332,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,704.54 : 1,042,037.37 = 221,418.30 : x
  2. Step 2: Convert to fraction form
    694,704.54/1,042,037.37 = 221,418.30/x
  3. Step 3: Cross multiply
    694,704.54x = 1,042,037.37 × 221,418.30
  4. Step 4: Simplify right side
    694,704.54x = 230,726,143,001.87
  5. Step 5: Solve for x
    x = 230,726,143,001.87/694,704.54
  6. Step 6: Final answer
    x = 332,121.25

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Double scale
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1.5x scale

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.