Home / 820,651.92-1,132,688.61-481,229.52

Finding the Fourth Proportional to 820,651.92, 1,132,688.61 and 481,229.52

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Solution

The fourth proportional to 820,651.92, 1,132,688.61 and 481,229.52 is: 664,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,651.92 : 1,132,688.61 = 481,229.52 : x
  2. Step 2: Convert to fraction form
    820,651.92/1,132,688.61 = 481,229.52/x
  3. Step 3: Cross multiply
    820,651.92x = 1,132,688.61 × 481,229.52
  4. Step 4: Simplify right side
    820,651.92x = 545,083,196,099.77
  5. Step 5: Solve for x
    x = 545,083,196,099.77/820,651.92
  6. Step 6: Final answer
    x = 664,207.54

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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.