Finding the Fourth Proportional to 543,517.83, 814,388.99 and 330,350.94
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Solution
The fourth proportional to 543,517.83, 814,388.99 and 330,350.94 is: 494,986.83
Step by Step Solution
- Step 1: Write the proportion equation
543,517.83 : 814,388.99 = 330,350.94 : x - Step 2: Convert to fraction form
543,517.83/814,388.99 = 330,350.94/x - Step 3: Cross multiply
543,517.83x = 814,388.99 × 330,350.94 - Step 4: Simplify right side
543,517.83x = 269,034,166,720.40 - Step 5: Solve for x
x = 269,034,166,720.40/543,517.83 - Step 6: Final answer
x = 494,986.83
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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.