Finding the Fourth Proportional to 665,057.10, 996,929.55 and 327,821.70
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Solution
The fourth proportional to 665,057.10, 996,929.55 and 327,821.70 is: 491,409.14
Step by Step Solution
- Step 1: Write the proportion equation
665,057.10 : 996,929.55 = 327,821.70 : x - Step 2: Convert to fraction form
665,057.10/996,929.55 = 327,821.70/x - Step 3: Cross multiply
665,057.10x = 996,929.55 × 327,821.70 - Step 4: Simplify right side
665,057.10x = 326,815,139,861.24 - Step 5: Solve for x
x = 326,815,139,861.24/665,057.10 - Step 6: Final answer
x = 491,409.14
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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.