Finding the Fourth Proportional to 777,951.42, 1,166,226.81 and 279,198.78
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Solution
The fourth proportional to 777,951.42, 1,166,226.81 and 279,198.78 is: 418,546.83
Step by Step Solution
- Step 1: Write the proportion equation
777,951.42 : 1,166,226.81 = 279,198.78 : x - Step 2: Convert to fraction form
777,951.42/1,166,226.81 = 279,198.78/x - Step 3: Cross multiply
777,951.42x = 1,166,226.81 × 279,198.78 - Step 4: Simplify right side
777,951.42x = 325,609,102,555.29 - Step 5: Solve for x
x = 325,609,102,555.29/777,951.42 - Step 6: Final answer
x = 418,546.83
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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.