Home / 327,764.10-491,646.15-260,112.90

Finding the Fourth Proportional to 327,764.10, 491,646.15 and 260,112.90

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Solution

The fourth proportional to 327,764.10, 491,646.15 and 260,112.90 is: 390,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,764.10 : 491,646.15 = 260,112.90 : x
  2. Step 2: Convert to fraction form
    327,764.10/491,646.15 = 260,112.90/x
  3. Step 3: Cross multiply
    327,764.10x = 491,646.15 × 260,112.90
  4. Step 4: Simplify right side
    327,764.10x = 127,883,505,850.34
  5. Step 5: Solve for x
    x = 127,883,505,850.34/327,764.10
  6. Step 6: Final answer
    x = 390,169.35

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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.