Finding the Fourth Proportional to 701,409.87, 1,052,270.73 and 327,228.75
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Solution
The fourth proportional to 701,409.87, 1,052,270.73 and 327,228.75 is: 490,915.87
Step by Step Solution
- Step 1: Write the proportion equation
701,409.87 : 1,052,270.73 = 327,228.75 : x - Step 2: Convert to fraction form
701,409.87/1,052,270.73 = 327,228.75/x - Step 3: Cross multiply
701,409.87x = 1,052,270.73 × 327,228.75 - Step 4: Simplify right side
701,409.87x = 344,333,235,639.49 - Step 5: Solve for x
x = 344,333,235,639.49/701,409.87 - Step 6: Final answer
x = 490,915.87
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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.