Finding the Fourth Proportional to 981,512.07, 1,471,218.35 and 448,233.99
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Solution
The fourth proportional to 981,512.07, 1,471,218.35 and 448,233.99 is: 671,871.58
Step by Step Solution
- Step 1: Write the proportion equation
981,512.07 : 1,471,218.35 = 448,233.99 : x - Step 2: Convert to fraction form
981,512.07/1,471,218.35 = 448,233.99/x - Step 3: Cross multiply
981,512.07x = 1,471,218.35 × 448,233.99 - Step 4: Simplify right side
981,512.07x = 659,450,068,940.55 - Step 5: Solve for x
x = 659,450,068,940.55/981,512.07 - Step 6: Final answer
x = 671,871.58
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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.