Finding the Fourth Proportional to 804,469.84, 1,207,213.40 and 449,716.72
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Solution
The fourth proportional to 804,469.84, 1,207,213.40 and 449,716.72 is: 674,859.42
Step by Step Solution
- Step 1: Write the proportion equation
804,469.84 : 1,207,213.40 = 449,716.72 : x - Step 2: Convert to fraction form
804,469.84/1,207,213.40 = 449,716.72/x - Step 3: Cross multiply
804,469.84x = 1,207,213.40 × 449,716.72 - Step 4: Simplify right side
804,469.84x = 542,904,050,588.05 - Step 5: Solve for x
x = 542,904,050,588.05/804,469.84 - Step 6: Final answer
x = 674,859.42
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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.