Home / 892,724.80-1,339,160.04-419,151.84

Finding the Fourth Proportional to 892,724.80, 1,339,160.04 and 419,151.84

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Solution

The fourth proportional to 892,724.80, 1,339,160.04 and 419,151.84 is: 628,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,724.80 : 1,339,160.04 = 419,151.84 : x
  2. Step 2: Convert to fraction form
    892,724.80/1,339,160.04 = 419,151.84/x
  3. Step 3: Cross multiply
    892,724.80x = 1,339,160.04 × 419,151.84
  4. Step 4: Simplify right side
    892,724.80x = 561,311,394,820.47
  5. Step 5: Solve for x
    x = 561,311,394,820.47/892,724.80
  6. Step 6: Final answer
    x = 628,761.96

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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.