Home / 827,550.12-1,241,322.82-220,338.38

Finding the Fourth Proportional to 827,550.12, 1,241,322.82 and 220,338.38

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Solution

The fourth proportional to 827,550.12, 1,241,322.82 and 220,338.38 is: 330,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,550.12 : 1,241,322.82 = 220,338.38 : x
  2. Step 2: Convert to fraction form
    827,550.12/1,241,322.82 = 220,338.38/x
  3. Step 3: Cross multiply
    827,550.12x = 1,241,322.82 × 220,338.38
  4. Step 4: Simplify right side
    827,550.12x = 273,511,056,025.26
  5. Step 5: Solve for x
    x = 273,511,056,025.26/827,550.12
  6. Step 6: Final answer
    x = 330,506.94

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1.5x scale

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.