Finding the Fourth Proportional to 756,163.20, 1,134,763.20 and 335,740.80
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Solution
The fourth proportional to 756,163.20, 1,134,763.20 and 335,740.80 is: 503,841.37
Step by Step Solution
- Step 1: Write the proportion equation
756,163.20 : 1,134,763.20 = 335,740.80 : x - Step 2: Convert to fraction form
756,163.20/1,134,763.20 = 335,740.80/x - Step 3: Cross multiply
756,163.20x = 1,134,763.20 × 335,740.80 - Step 4: Simplify right side
756,163.20x = 380,986,304,578.56 - Step 5: Solve for x
x = 380,986,304,578.56/756,163.20 - Step 6: Final answer
x = 503,841.37
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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.