Home / 827,858.80-1,242,004.20-266,906.80

Finding the Fourth Proportional to 827,858.80, 1,242,004.20 and 266,906.80

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Solution

The fourth proportional to 827,858.80, 1,242,004.20 and 266,906.80 is: 400,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,858.80 : 1,242,004.20 = 266,906.80 : x
  2. Step 2: Convert to fraction form
    827,858.80/1,242,004.20 = 266,906.80/x
  3. Step 3: Cross multiply
    827,858.80x = 1,242,004.20 × 266,906.80
  4. Step 4: Simplify right side
    827,858.80x = 331,499,366,608.56
  5. Step 5: Solve for x
    x = 331,499,366,608.56/827,858.80
  6. Step 6: Final answer
    x = 400,429.84

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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.