Finding the Fourth Proportional to 656,517.21, 984,880.80 and 277,441.62
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Solution
The fourth proportional to 656,517.21, 984,880.80 and 277,441.62 is: 416,206.80
Step by Step Solution
- Step 1: Write the proportion equation
656,517.21 : 984,880.80 = 277,441.62 : x - Step 2: Convert to fraction form
656,517.21/984,880.80 = 277,441.62/x - Step 3: Cross multiply
656,517.21x = 984,880.80 × 277,441.62 - Step 4: Simplify right side
656,517.21x = 273,246,924,658.90 - Step 5: Solve for x
x = 273,246,924,658.90/656,517.21 - Step 6: Final answer
x = 416,206.80
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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.