Home / 777,028.17-1,165,666.82-327,815.21

Finding the Fourth Proportional to 777,028.17, 1,165,666.82 and 327,815.21

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Solution

The fourth proportional to 777,028.17, 1,165,666.82 and 327,815.21 is: 491,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,028.17 : 1,165,666.82 = 327,815.21 : x
  2. Step 2: Convert to fraction form
    777,028.17/1,165,666.82 = 327,815.21/x
  3. Step 3: Cross multiply
    777,028.17x = 1,165,666.82 × 327,815.21
  4. Step 4: Simplify right side
    777,028.17x = 382,123,313,388.33
  5. Step 5: Solve for x
    x = 382,123,313,388.33/777,028.17
  6. Step 6: Final answer
    x = 491,775.37

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1.5x scale

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.