Home / 327,965.80-491,948.70-291,224.20

Finding the Fourth Proportional to 327,965.80, 491,948.70 and 291,224.20

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Solution

The fourth proportional to 327,965.80, 491,948.70 and 291,224.20 is: 436,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,965.80 : 491,948.70 = 291,224.20 : x
  2. Step 2: Convert to fraction form
    327,965.80/491,948.70 = 291,224.20/x
  3. Step 3: Cross multiply
    327,965.80x = 491,948.70 × 291,224.20
  4. Step 4: Simplify right side
    327,965.80x = 143,267,366,598.54
  5. Step 5: Solve for x
    x = 143,267,366,598.54/327,965.80
  6. Step 6: Final answer
    x = 436,836.30

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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.