Finding the Fourth Proportional to 876,444.12, 1,313,872.71 and 343,822.14
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Solution
The fourth proportional to 876,444.12, 1,313,872.71 and 343,822.14 is: 515,421.94
Step by Step Solution
- Step 1: Write the proportion equation
876,444.12 : 1,313,872.71 = 343,822.14 : x - Step 2: Convert to fraction form
876,444.12/1,313,872.71 = 343,822.14/x - Step 3: Cross multiply
876,444.12x = 1,313,872.71 × 343,822.14 - Step 4: Simplify right side
876,444.12x = 451,738,526,839.80 - Step 5: Solve for x
x = 451,738,526,839.80/876,444.12 - Step 6: Final answer
x = 515,421.94
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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.