Home / 703,801.28-1,055,539.56-419,571.56

Finding the Fourth Proportional to 703,801.28, 1,055,539.56 and 419,571.56

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Solution

The fourth proportional to 703,801.28, 1,055,539.56 and 419,571.56 is: 629,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,801.28 : 1,055,539.56 = 419,571.56 : x
  2. Step 2: Convert to fraction form
    703,801.28/1,055,539.56 = 419,571.56/x
  3. Step 3: Cross multiply
    703,801.28x = 1,055,539.56 × 419,571.56
  4. Step 4: Simplify right side
    703,801.28x = 442,874,379,830.91
  5. Step 5: Solve for x
    x = 442,874,379,830.91/703,801.28
  6. Step 6: Final answer
    x = 629,260.55

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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.