Home / 925,685.53-1,388,029.03-419,970.56

Finding the Fourth Proportional to 925,685.53, 1,388,029.03 and 419,970.56

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Solution

The fourth proportional to 925,685.53, 1,388,029.03 and 419,970.56 is: 629,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,685.53 : 1,388,029.03 = 419,970.56 : x
  2. Step 2: Convert to fraction form
    925,685.53/1,388,029.03 = 419,970.56/x
  3. Step 3: Cross multiply
    925,685.53x = 1,388,029.03 × 419,970.56
  4. Step 4: Simplify right side
    925,685.53x = 582,931,329,025.36
  5. Step 5: Solve for x
    x = 582,931,329,025.36/925,685.53
  6. Step 6: Final answer
    x = 629,729.33

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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.