Finding the Fourth Proportional to 726,703.11, 1,001,810.97 and 511,174.26
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Solution
The fourth proportional to 726,703.11, 1,001,810.97 and 511,174.26 is: 704,689.40
Step by Step Solution
- Step 1: Write the proportion equation
726,703.11 : 1,001,810.97 = 511,174.26 : x - Step 2: Convert to fraction form
726,703.11/1,001,810.97 = 511,174.26/x - Step 3: Cross multiply
726,703.11x = 1,001,810.97 × 511,174.26 - Step 4: Simplify right side
726,703.11x = 512,099,981,249.63 - Step 5: Solve for x
x = 512,099,981,249.63/726,703.11 - Step 6: Final answer
x = 704,689.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.