Finding the Fourth Proportional to 726,163.44, 1,002,028.77 and 403,821.42
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Solution
The fourth proportional to 726,163.44, 1,002,028.77 and 403,821.42 is: 557,230.86
Step by Step Solution
- Step 1: Write the proportion equation
726,163.44 : 1,002,028.77 = 403,821.42 : x - Step 2: Convert to fraction form
726,163.44/1,002,028.77 = 403,821.42/x - Step 3: Cross multiply
726,163.44x = 1,002,028.77 × 403,821.42 - Step 4: Simplify right side
726,163.44x = 404,640,680,782.25 - Step 5: Solve for x
x = 404,640,680,782.25/726,163.44 - Step 6: Final answer
x = 557,230.86
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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.