Finding the Fourth Proportional to 728,580.26, 1,093,112.33 and 323,716.14
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Solution
The fourth proportional to 728,580.26, 1,093,112.33 and 323,716.14 is: 485,681.70
Step by Step Solution
- Step 1: Write the proportion equation
728,580.26 : 1,093,112.33 = 323,716.14 : x - Step 2: Convert to fraction form
728,580.26/1,093,112.33 = 323,716.14/x - Step 3: Cross multiply
728,580.26x = 1,093,112.33 × 323,716.14 - Step 4: Simplify right side
728,580.26x = 353,858,102,435.43 - Step 5: Solve for x
x = 353,858,102,435.43/728,580.26 - Step 6: Final answer
x = 485,681.70
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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.