Home / 925,682.72-1,388,024.81-419,967.75

Finding the Fourth Proportional to 925,682.72, 1,388,024.81 and 419,967.75

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Solution

The fourth proportional to 925,682.72, 1,388,024.81 and 419,967.75 is: 629,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,682.72 : 1,388,024.81 = 419,967.75 : x
  2. Step 2: Convert to fraction form
    925,682.72/1,388,024.81 = 419,967.75/x
  3. Step 3: Cross multiply
    925,682.72x = 1,388,024.81 × 419,967.75
  4. Step 4: Simplify right side
    925,682.72x = 582,925,663,442.33
  5. Step 5: Solve for x
    x = 582,925,663,442.33/925,682.72
  6. Step 6: Final answer
    x = 629,725.13

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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.