Home / 925,693.56-1,388,041.02-419,978.52

Finding the Fourth Proportional to 925,693.56, 1,388,041.02 and 419,978.52

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Solution

The fourth proportional to 925,693.56, 1,388,041.02 and 419,978.52 is: 629,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,693.56 : 1,388,041.02 = 419,978.52 : x
  2. Step 2: Convert to fraction form
    925,693.56/1,388,041.02 = 419,978.52/x
  3. Step 3: Cross multiply
    925,693.56x = 1,388,041.02 × 419,978.52
  4. Step 4: Simplify right side
    925,693.56x = 582,947,413,278.89
  5. Step 5: Solve for x
    x = 582,947,413,278.89/925,693.56
  6. Step 6: Final answer
    x = 629,741.24

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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.