Finding the Fourth Proportional to 981,515.08, 1,471,222.84 and 448,237
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Solution
The fourth proportional to 981,515.08, 1,471,222.84 and 448,237 is: 671,876.09
Step by Step Solution
- Step 1: Write the proportion equation
981,515.08 : 1,471,222.84 = 448,237 : x - Step 2: Convert to fraction form
981,515.08/1,471,222.84 = 448,237/x - Step 3: Cross multiply
981,515.08x = 1,471,222.84 × 448,237 - Step 4: Simplify right side
981,515.08x = 659,456,512,133.08 - Step 5: Solve for x
x = 659,456,512,133.08/981,515.08 - Step 6: Final answer
x = 671,876.09
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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.