Home / 777,187.29-1,165,938.09-327,909.27

Finding the Fourth Proportional to 777,187.29, 1,165,938.09 and 327,909.27

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Solution

The fourth proportional to 777,187.29, 1,165,938.09 and 327,909.27 is: 491,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,187.29 : 1,165,938.09 = 327,909.27 : x
  2. Step 2: Convert to fraction form
    777,187.29/1,165,938.09 = 327,909.27/x
  3. Step 3: Cross multiply
    777,187.29x = 1,165,938.09 × 327,909.27
  4. Step 4: Simplify right side
    777,187.29x = 382,321,907,957.09
  5. Step 5: Solve for x
    x = 382,321,907,957.09/777,187.29
  6. Step 6: Final answer
    x = 491,930.21

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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.