Home / 815,942.04-1,222,558.20-499,734.24

Finding the Fourth Proportional to 815,942.04, 1,222,558.20 and 499,734.24

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Solution

The fourth proportional to 815,942.04, 1,222,558.20 and 499,734.24 is: 748,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,942.04 : 1,222,558.20 = 499,734.24 : x
  2. Step 2: Convert to fraction form
    815,942.04/1,222,558.20 = 499,734.24/x
  3. Step 3: Cross multiply
    815,942.04x = 1,222,558.20 × 499,734.24
  4. Step 4: Simplify right side
    815,942.04x = 610,954,192,932.77
  5. Step 5: Solve for x
    x = 610,954,192,932.77/815,942.04
  6. Step 6: Final answer
    x = 748,771.56

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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.