Finding the Fourth Proportional to 923,416.20, 1,385,124.30 and 324,469.80
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Solution
The fourth proportional to 923,416.20, 1,385,124.30 and 324,469.80 is: 486,704.70
Step by Step Solution
- Step 1: Write the proportion equation
923,416.20 : 1,385,124.30 = 324,469.80 : x - Step 2: Convert to fraction form
923,416.20/1,385,124.30 = 324,469.80/x - Step 3: Cross multiply
923,416.20x = 1,385,124.30 × 324,469.80 - Step 4: Simplify right side
923,416.20x = 449,431,004,596.14 - Step 5: Solve for x
x = 449,431,004,596.14/923,416.20 - Step 6: Final answer
x = 486,704.70
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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.