Finding the Fourth Proportional to 821,234.68, 1,231,854.87 and 252,611.92
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Solution
The fourth proportional to 821,234.68, 1,231,854.87 and 252,611.92 is: 378,918.76
Step by Step Solution
- Step 1: Write the proportion equation
821,234.68 : 1,231,854.87 = 252,611.92 : x - Step 2: Convert to fraction form
821,234.68/1,231,854.87 = 252,611.92/x - Step 3: Cross multiply
821,234.68x = 1,231,854.87 × 252,611.92 - Step 4: Simplify right side
821,234.68x = 311,181,223,872.05 - Step 5: Solve for x
x = 311,181,223,872.05/821,234.68 - Step 6: Final answer
x = 378,918.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.