Finding the Fourth Proportional to 394,324.20, 590,708.70 and 366,330.60
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Solution
The fourth proportional to 394,324.20, 590,708.70 and 366,330.60 is: 548,773.50
Step by Step Solution
- Step 1: Write the proportion equation
394,324.20 : 590,708.70 = 366,330.60 : x - Step 2: Convert to fraction form
394,324.20/590,708.70 = 366,330.60/x - Step 3: Cross multiply
394,324.20x = 590,708.70 × 366,330.60 - Step 4: Simplify right side
394,324.20x = 216,394,672,496.22 - Step 5: Solve for x
x = 216,394,672,496.22/394,324.20 - Step 6: Final answer
x = 548,773.50
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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.