Finding the Fourth Proportional to 663,651.96, 996,474.84 and 379,663.14
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Solution
The fourth proportional to 663,651.96, 996,474.84 and 379,663.14 is: 570,065.02
Step by Step Solution
- Step 1: Write the proportion equation
663,651.96 : 996,474.84 = 379,663.14 : x - Step 2: Convert to fraction form
663,651.96/996,474.84 = 379,663.14/x - Step 3: Cross multiply
663,651.96x = 996,474.84 × 379,663.14 - Step 4: Simplify right side
663,651.96x = 378,324,766,685.40 - Step 5: Solve for x
x = 378,324,766,685.40/663,651.96 - Step 6: Final answer
x = 570,065.02
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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.