Home / 815,737.23-1,125,793.49-493,526.52

Finding the Fourth Proportional to 815,737.23, 1,125,793.49 and 493,526.52

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Solution

The fourth proportional to 815,737.23, 1,125,793.49 and 493,526.52 is: 681,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,737.23 : 1,125,793.49 = 493,526.52 : x
  2. Step 2: Convert to fraction form
    815,737.23/1,125,793.49 = 493,526.52/x
  3. Step 3: Cross multiply
    815,737.23x = 1,125,793.49 × 493,526.52
  4. Step 4: Simplify right side
    815,737.23x = 555,608,940,890.72
  5. Step 5: Solve for x
    x = 555,608,940,890.72/815,737.23
  6. Step 6: Final answer
    x = 681,112.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.