Finding the Fourth Proportional to 664,992.10, 996,832.05 and 327,756.70
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Solution
The fourth proportional to 664,992.10, 996,832.05 and 327,756.70 is: 491,311.68
Step by Step Solution
- Step 1: Write the proportion equation
664,992.10 : 996,832.05 = 327,756.70 : x - Step 2: Convert to fraction form
664,992.10/996,832.05 = 327,756.70/x - Step 3: Cross multiply
664,992.10x = 996,832.05 × 327,756.70 - Step 4: Simplify right side
664,992.10x = 326,718,383,162.24 - Step 5: Solve for x
x = 326,718,383,162.24/664,992.10 - Step 6: Final answer
x = 491,311.68
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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.