Home / 412,940.07-619,336.31-262,734.18

Finding the Fourth Proportional to 412,940.07, 619,336.31 and 262,734.18

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Solution

The fourth proportional to 412,940.07, 619,336.31 and 262,734.18 is: 394,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,940.07 : 619,336.31 = 262,734.18 : x
  2. Step 2: Convert to fraction form
    412,940.07/619,336.31 = 262,734.18/x
  3. Step 3: Cross multiply
    412,940.07x = 619,336.31 × 262,734.18
  4. Step 4: Simplify right side
    412,940.07x = 162,720,816,238.41
  5. Step 5: Solve for x
    x = 162,720,816,238.41/412,940.07
  6. Step 6: Final answer
    x = 394,054.31

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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.