Finding the Fourth Proportional to 612,383.28, 916,609.50 and 327,361.08
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Solution
The fourth proportional to 612,383.28, 916,609.50 and 327,361.08 is: 489,990.97
Step by Step Solution
- Step 1: Write the proportion equation
612,383.28 : 916,609.50 = 327,361.08 : x - Step 2: Convert to fraction form
612,383.28/916,609.50 = 327,361.08/x - Step 3: Cross multiply
612,383.28x = 916,609.50 × 327,361.08 - Step 4: Simplify right side
612,383.28x = 300,062,275,858.26 - Step 5: Solve for x
x = 300,062,275,858.26/612,383.28 - Step 6: Final answer
x = 489,990.97
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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.