Finding the Fourth Proportional to 786,344.26, 1,179,287.88 and 306,465.26
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Solution
The fourth proportional to 786,344.26, 1,179,287.88 and 306,465.26 is: 459,608.83
Step by Step Solution
- Step 1: Write the proportion equation
786,344.26 : 1,179,287.88 = 306,465.26 : x - Step 2: Convert to fraction form
786,344.26/1,179,287.88 = 306,465.26/x - Step 3: Cross multiply
786,344.26x = 1,179,287.88 × 306,465.26 - Step 4: Simplify right side
786,344.26x = 361,410,766,759.05 - Step 5: Solve for x
x = 361,410,766,759.05/786,344.26 - Step 6: Final answer
x = 459,608.83
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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.