Home / 319,764.42-479,550.48-263,464.98

Finding the Fourth Proportional to 319,764.42, 479,550.48 and 263,464.98

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Solution

The fourth proportional to 319,764.42, 479,550.48 and 263,464.98 is: 395,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,764.42 : 479,550.48 = 263,464.98 : x
  2. Step 2: Convert to fraction form
    319,764.42/479,550.48 = 263,464.98/x
  3. Step 3: Cross multiply
    319,764.42x = 479,550.48 × 263,464.98
  4. Step 4: Simplify right side
    319,764.42x = 126,344,757,622.19
  5. Step 5: Solve for x
    x = 126,344,757,622.19/319,764.42
  6. Step 6: Final answer
    x = 395,118.25

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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.