Finding the Fourth Proportional to 878,956.27, 1,318,566.01 and 318,121.99
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Solution
The fourth proportional to 878,956.27, 1,318,566.01 and 318,121.99 is: 477,230.62
Step by Step Solution
- Step 1: Write the proportion equation
878,956.27 : 1,318,566.01 = 318,121.99 : x - Step 2: Convert to fraction form
878,956.27/1,318,566.01 = 318,121.99/x - Step 3: Cross multiply
878,956.27x = 1,318,566.01 × 318,121.99 - Step 4: Simplify right side
878,956.27x = 419,464,843,047.56 - Step 5: Solve for x
x = 419,464,843,047.56/878,956.27 - Step 6: Final answer
x = 477,230.62
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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.