Home / 827,272.80-1,241,125.20-266,320.80

Finding the Fourth Proportional to 827,272.80, 1,241,125.20 and 266,320.80

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Solution

The fourth proportional to 827,272.80, 1,241,125.20 and 266,320.80 is: 399,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,272.80 : 1,241,125.20 = 266,320.80 : x
  2. Step 2: Convert to fraction form
    827,272.80/1,241,125.20 = 266,320.80/x
  3. Step 3: Cross multiply
    827,272.80x = 1,241,125.20 × 266,320.80
  4. Step 4: Simplify right side
    827,272.80x = 330,537,456,164.16
  5. Step 5: Solve for x
    x = 330,537,456,164.16/827,272.80
  6. Step 6: Final answer
    x = 399,550.74

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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.