Home / 827,681.80-1,241,738.70-266,729.80

Finding the Fourth Proportional to 827,681.80, 1,241,738.70 and 266,729.80

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Solution

The fourth proportional to 827,681.80, 1,241,738.70 and 266,729.80 is: 400,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,681.80 : 1,241,738.70 = 266,729.80 : x
  2. Step 2: Convert to fraction form
    827,681.80/1,241,738.70 = 266,729.80/x
  3. Step 3: Cross multiply
    827,681.80x = 1,241,738.70 × 266,729.80
  4. Step 4: Simplify right side
    827,681.80x = 331,208,715,103.26
  5. Step 5: Solve for x
    x = 331,208,715,103.26/827,681.80
  6. Step 6: Final answer
    x = 400,164.31

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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.