Finding the Fourth Proportional to 945,071.44, 1,304,230.08 and 515,375.08
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Solution
The fourth proportional to 945,071.44, 1,304,230.08 and 515,375.08 is: 711,234.78
Step by Step Solution
- Step 1: Write the proportion equation
945,071.44 : 1,304,230.08 = 515,375.08 : x - Step 2: Convert to fraction form
945,071.44/1,304,230.08 = 515,375.08/x - Step 3: Cross multiply
945,071.44x = 1,304,230.08 × 515,375.08 - Step 4: Simplify right side
945,071.44x = 672,167,681,818.41 - Step 5: Solve for x
x = 672,167,681,818.41/945,071.44 - Step 6: Final answer
x = 711,234.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.