Home / 925,683.09-1,388,025.38-419,968.13

Finding the Fourth Proportional to 925,683.09, 1,388,025.38 and 419,968.13

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Solution

The fourth proportional to 925,683.09, 1,388,025.38 and 419,968.13 is: 629,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,683.09 : 1,388,025.38 = 419,968.13 : x
  2. Step 2: Convert to fraction form
    925,683.09/1,388,025.38 = 419,968.13/x
  3. Step 3: Cross multiply
    925,683.09x = 1,388,025.38 × 419,968.13
  4. Step 4: Simplify right side
    925,683.09x = 582,926,419,396.27
  5. Step 5: Solve for x
    x = 582,926,419,396.27/925,683.09
  6. Step 6: Final answer
    x = 629,725.69

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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.