Home / 814,537.80-1,221,806.70-223,561.80

Finding the Fourth Proportional to 814,537.80, 1,221,806.70 and 223,561.80

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Solution

The fourth proportional to 814,537.80, 1,221,806.70 and 223,561.80 is: 335,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,537.80 : 1,221,806.70 = 223,561.80 : x
  2. Step 2: Convert to fraction form
    814,537.80/1,221,806.70 = 223,561.80/x
  3. Step 3: Cross multiply
    814,537.80x = 1,221,806.70 × 223,561.80
  4. Step 4: Simplify right side
    814,537.80x = 273,149,305,104.06
  5. Step 5: Solve for x
    x = 273,149,305,104.06/814,537.80
  6. Step 6: Final answer
    x = 335,342.70

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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.