Finding the Fourth Proportional to 494,145.36, 682,042.68 and 324,609.12
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Solution
The fourth proportional to 494,145.36, 682,042.68 and 324,609.12 is: 448,040.78
Step by Step Solution
- Step 1: Write the proportion equation
494,145.36 : 682,042.68 = 324,609.12 : x - Step 2: Convert to fraction form
494,145.36/682,042.68 = 324,609.12/x - Step 3: Cross multiply
494,145.36x = 682,042.68 × 324,609.12 - Step 4: Simplify right side
494,145.36x = 221,397,274,157.24 - Step 5: Solve for x
x = 221,397,274,157.24/494,145.36 - Step 6: Final answer
x = 448,040.78
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1.5x scale
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.