Home / 827,356.20-1,241,034.30-661,468.20

Finding the Fourth Proportional to 827,356.20, 1,241,034.30 and 661,468.20

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Solution

The fourth proportional to 827,356.20, 1,241,034.30 and 661,468.20 is: 992,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,356.20 : 1,241,034.30 = 661,468.20 : x
  2. Step 2: Convert to fraction form
    827,356.20/1,241,034.30 = 661,468.20/x
  3. Step 3: Cross multiply
    827,356.20x = 1,241,034.30 × 661,468.20
  4. Step 4: Simplify right side
    827,356.20x = 820,904,724,559.26
  5. Step 5: Solve for x
    x = 820,904,724,559.26/827,356.20
  6. Step 6: Final answer
    x = 992,202.30

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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.