Home / 505,827.56-698,033.91-276,379.88

Finding the Fourth Proportional to 505,827.56, 698,033.91 and 276,379.88

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Solution

The fourth proportional to 505,827.56, 698,033.91 and 276,379.88 is: 381,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,827.56 : 698,033.91 = 276,379.88 : x
  2. Step 2: Convert to fraction form
    505,827.56/698,033.91 = 276,379.88/x
  3. Step 3: Cross multiply
    505,827.56x = 698,033.91 × 276,379.88
  4. Step 4: Simplify right side
    505,827.56x = 192,922,524,791.56
  5. Step 5: Solve for x
    x = 192,922,524,791.56/505,827.56
  6. Step 6: Final answer
    x = 381,399.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.