Finding the Fourth Proportional to 757,343.62, 1,045,235.57 and 481,728.31
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Solution
The fourth proportional to 757,343.62, 1,045,235.57 and 481,728.31 is: 664,849.55
Step by Step Solution
- Step 1: Write the proportion equation
757,343.62 : 1,045,235.57 = 481,728.31 : x - Step 2: Convert to fraction form
757,343.62/1,045,235.57 = 481,728.31/x - Step 3: Cross multiply
757,343.62x = 1,045,235.57 × 481,728.31 - Step 4: Simplify right side
757,343.62x = 503,519,566,900.57 - Step 5: Solve for x
x = 503,519,566,900.57/757,343.62 - Step 6: Final answer
x = 664,849.55
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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.