Home / 827,400.44-1,241,128.65-220,189.35

Finding the Fourth Proportional to 827,400.44, 1,241,128.65 and 220,189.35

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Solution

The fourth proportional to 827,400.44, 1,241,128.65 and 220,189.35 is: 330,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,400.44 : 1,241,128.65 = 220,189.35 : x
  2. Step 2: Convert to fraction form
    827,400.44/1,241,128.65 = 220,189.35/x
  3. Step 3: Cross multiply
    827,400.44x = 1,241,128.65 × 220,189.35
  4. Step 4: Simplify right side
    827,400.44x = 273,283,304,504.23
  5. Step 5: Solve for x
    x = 273,283,304,504.23/827,400.44
  6. Step 6: Final answer
    x = 330,291.47

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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.