Finding the Fourth Proportional to 876,376.10, 1,313,770.68 and 343,754.12
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Solution
The fourth proportional to 876,376.10, 1,313,770.68 and 343,754.12 is: 515,319.95
Step by Step Solution
- Step 1: Write the proportion equation
876,376.10 : 1,313,770.68 = 343,754.12 : x - Step 2: Convert to fraction form
876,376.10/1,313,770.68 = 343,754.12/x - Step 3: Cross multiply
876,376.10x = 1,313,770.68 × 343,754.12 - Step 4: Simplify right side
876,376.10x = 451,614,087,269.63 - Step 5: Solve for x
x = 451,614,087,269.63/876,376.10 - Step 6: Final answer
x = 515,319.95
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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.