Home / 777,029.17-1,165,668.32-327,816.21

Finding the Fourth Proportional to 777,029.17, 1,165,668.32 and 327,816.21

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Solution

The fourth proportional to 777,029.17, 1,165,668.32 and 327,816.21 is: 491,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,029.17 : 1,165,668.32 = 327,816.21 : x
  2. Step 2: Convert to fraction form
    777,029.17/1,165,668.32 = 327,816.21/x
  3. Step 3: Cross multiply
    777,029.17x = 1,165,668.32 × 327,816.21
  4. Step 4: Simplify right side
    777,029.17x = 382,124,970,779.47
  5. Step 5: Solve for x
    x = 382,124,970,779.47/777,029.17
  6. Step 6: Final answer
    x = 491,776.87

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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.