Finding the Fourth Proportional to 981,697.41, 1,472,578.31 and 271,665.99
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Solution
The fourth proportional to 981,697.41, 1,472,578.31 and 271,665.99 is: 407,507.90
Step by Step Solution
- Step 1: Write the proportion equation
981,697.41 : 1,472,578.31 = 271,665.99 : x - Step 2: Convert to fraction form
981,697.41/1,472,578.31 = 271,665.99/x - Step 3: Cross multiply
981,697.41x = 1,472,578.31 × 271,665.99 - Step 4: Simplify right side
981,697.41x = 400,049,445,117.84 - Step 5: Solve for x
x = 400,049,445,117.84/981,697.41 - Step 6: Final answer
x = 407,507.90
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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.