Home / 379,399.04-568,552.80-278,768.96

Finding the Fourth Proportional to 379,399.04, 568,552.80 and 278,768.96

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Solution

The fourth proportional to 379,399.04, 568,552.80 and 278,768.96 is: 417,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,399.04 : 568,552.80 = 278,768.96 : x
  2. Step 2: Convert to fraction form
    379,399.04/568,552.80 = 278,768.96/x
  3. Step 3: Cross multiply
    379,399.04x = 568,552.80 × 278,768.96
  4. Step 4: Simplify right side
    379,399.04x = 158,494,872,761.09
  5. Step 5: Solve for x
    x = 158,494,872,761.09/379,399.04
  6. Step 6: Final answer
    x = 417,752.43

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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.