Finding the Fourth Proportional to 726,149.99, 1,002,099.86 and 403,860.23
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Solution
The fourth proportional to 726,149.99, 1,002,099.86 and 403,860.23 is: 557,334.28
Step by Step Solution
- Step 1: Write the proportion equation
726,149.99 : 1,002,099.86 = 403,860.23 : x - Step 2: Convert to fraction form
726,149.99/1,002,099.86 = 403,860.23/x - Step 3: Cross multiply
726,149.99x = 1,002,099.86 × 403,860.23 - Step 4: Simplify right side
726,149.99x = 404,708,279,942.57 - Step 5: Solve for x
x = 404,708,279,942.57/726,149.99 - Step 6: Final answer
x = 557,334.28
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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.