Home / 827,405.44-1,241,219.52-266,304.64

Finding the Fourth Proportional to 827,405.44, 1,241,219.52 and 266,304.64

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Solution

The fourth proportional to 827,405.44, 1,241,219.52 and 266,304.64 is: 399,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,405.44 : 1,241,219.52 = 266,304.64 : x
  2. Step 2: Convert to fraction form
    827,405.44/1,241,219.52 = 266,304.64/x
  3. Step 3: Cross multiply
    827,405.44x = 1,241,219.52 × 266,304.64
  4. Step 4: Simplify right side
    827,405.44x = 330,542,517,434.57
  5. Step 5: Solve for x
    x = 330,542,517,434.57/827,405.44
  6. Step 6: Final answer
    x = 399,492.80

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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.