Home / 820,732.38-1,132,615.35-481,206.30

Finding the Fourth Proportional to 820,732.38, 1,132,615.35 and 481,206.30

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Solution

The fourth proportional to 820,732.38, 1,132,615.35 and 481,206.30 is: 664,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,732.38 : 1,132,615.35 = 481,206.30 : x
  2. Step 2: Convert to fraction form
    820,732.38/1,132,615.35 = 481,206.30/x
  3. Step 3: Cross multiply
    820,732.38x = 1,132,615.35 × 481,206.30
  4. Step 4: Simplify right side
    820,732.38x = 545,021,641,896.71
  5. Step 5: Solve for x
    x = 545,021,641,896.71/820,732.38
  6. Step 6: Final answer
    x = 664,067.43

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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.