Home / 823,344.64-1,234,993.92-262,412.80

Finding the Fourth Proportional to 823,344.64, 1,234,993.92 and 262,412.80

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Solution

The fourth proportional to 823,344.64, 1,234,993.92 and 262,412.80 is: 393,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,344.64 : 1,234,993.92 = 262,412.80 : x
  2. Step 2: Convert to fraction form
    823,344.64/1,234,993.92 = 262,412.80/x
  3. Step 3: Cross multiply
    823,344.64x = 1,234,993.92 × 262,412.80
  4. Step 4: Simplify right side
    823,344.64x = 324,078,212,530.18
  5. Step 5: Solve for x
    x = 324,078,212,530.18/823,344.64
  6. Step 6: Final answer
    x = 393,611.86

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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.