Finding the Fourth Proportional to 869,722.10, 1,304,706.17 and 270,743.70
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Solution
The fourth proportional to 869,722.10, 1,304,706.17 and 270,743.70 is: 406,153.85
Step by Step Solution
- Step 1: Write the proportion equation
869,722.10 : 1,304,706.17 = 270,743.70 : x - Step 2: Convert to fraction form
869,722.10/1,304,706.17 = 270,743.70/x - Step 3: Cross multiply
869,722.10x = 1,304,706.17 × 270,743.70 - Step 4: Simplify right side
869,722.10x = 353,240,975,878.63 - Step 5: Solve for x
x = 353,240,975,878.63/869,722.10 - Step 6: Final answer
x = 406,153.85
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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.