Home / 703,745.37-1,055,456.16-419,516.19

Finding the Fourth Proportional to 703,745.37, 1,055,456.16 and 419,516.19

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Solution

The fourth proportional to 703,745.37, 1,055,456.16 and 419,516.19 is: 629,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,745.37 : 1,055,456.16 = 419,516.19 : x
  2. Step 2: Convert to fraction form
    703,745.37/1,055,456.16 = 419,516.19/x
  3. Step 3: Cross multiply
    703,745.37x = 1,055,456.16 × 419,516.19
  4. Step 4: Simplify right side
    703,745.37x = 442,780,946,955.23
  5. Step 5: Solve for x
    x = 442,780,946,955.23/703,745.37
  6. Step 6: Final answer
    x = 629,177.78

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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.