Home / 777,029.18-1,165,668.32-327,816.22

Finding the Fourth Proportional to 777,029.18, 1,165,668.32 and 327,816.22

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Solution

The fourth proportional to 777,029.18, 1,165,668.32 and 327,816.22 is: 491,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,029.18 : 1,165,668.32 = 327,816.22 : x
  2. Step 2: Convert to fraction form
    777,029.18/1,165,668.32 = 327,816.22/x
  3. Step 3: Cross multiply
    777,029.18x = 1,165,668.32 × 327,816.22
  4. Step 4: Simplify right side
    777,029.18x = 382,124,982,436.15
  5. Step 5: Solve for x
    x = 382,124,982,436.15/777,029.18
  6. Step 6: Final answer
    x = 491,776.88

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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.