Finding the Fourth Proportional to 981,516.08, 1,471,224.36 and 448,238
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Solution
The fourth proportional to 981,516.08, 1,471,224.36 and 448,238 is: 671,877.60
Step by Step Solution
- Step 1: Write the proportion equation
981,516.08 : 1,471,224.36 = 448,238 : x - Step 2: Convert to fraction form
981,516.08/1,471,224.36 = 448,238/x - Step 3: Cross multiply
981,516.08x = 1,471,224.36 × 448,238 - Step 4: Simplify right side
981,516.08x = 659,458,664,677.68 - Step 5: Solve for x
x = 659,458,664,677.68/981,516.08 - Step 6: Final answer
x = 671,877.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.