Home / 815,073.24-1,222,333.02-282,469.80

Finding the Fourth Proportional to 815,073.24, 1,222,333.02 and 282,469.80

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Solution

The fourth proportional to 815,073.24, 1,222,333.02 and 282,469.80 is: 423,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,073.24 : 1,222,333.02 = 282,469.80 : x
  2. Step 2: Convert to fraction form
    815,073.24/1,222,333.02 = 282,469.80/x
  3. Step 3: Cross multiply
    815,073.24x = 1,222,333.02 × 282,469.80
  4. Step 4: Simplify right side
    815,073.24x = 345,272,163,692.80
  5. Step 5: Solve for x
    x = 345,272,163,692.80/815,073.24
  6. Step 6: Final answer
    x = 423,608.76

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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.