Home / 792,072.45-1,188,108.68-259,465.05

Finding the Fourth Proportional to 792,072.45, 1,188,108.68 and 259,465.05

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Solution

The fourth proportional to 792,072.45, 1,188,108.68 and 259,465.05 is: 389,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,072.45 : 1,188,108.68 = 259,465.05 : x
  2. Step 2: Convert to fraction form
    792,072.45/1,188,108.68 = 259,465.05/x
  3. Step 3: Cross multiply
    792,072.45x = 1,188,108.68 × 259,465.05
  4. Step 4: Simplify right side
    792,072.45x = 308,272,676,764.31
  5. Step 5: Solve for x
    x = 308,272,676,764.31/792,072.45
  6. Step 6: Final answer
    x = 389,197.58

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Similar ratio
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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.