Home / 925,693.29-1,388,040.68-419,978.36

Finding the Fourth Proportional to 925,693.29, 1,388,040.68 and 419,978.36

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Solution

The fourth proportional to 925,693.29, 1,388,040.68 and 419,978.36 is: 629,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,693.29 : 1,388,040.68 = 419,978.36 : x
  2. Step 2: Convert to fraction form
    925,693.29/1,388,040.68 = 419,978.36/x
  3. Step 3: Cross multiply
    925,693.29x = 1,388,040.68 × 419,978.36
  4. Step 4: Simplify right side
    925,693.29x = 582,947,039,359.59
  5. Step 5: Solve for x
    x = 582,947,039,359.59/925,693.29
  6. Step 6: Final answer
    x = 629,741.02

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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.