Finding the Fourth Proportional to 521,608.01, 782,529.26 and 281,716.79
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Solution
The fourth proportional to 521,608.01, 782,529.26 and 281,716.79 is: 422,638.50
Step by Step Solution
- Step 1: Write the proportion equation
521,608.01 : 782,529.26 = 281,716.79 : x - Step 2: Convert to fraction form
521,608.01/782,529.26 = 281,716.79/x - Step 3: Cross multiply
521,608.01x = 782,529.26 × 281,716.79 - Step 4: Simplify right side
521,608.01x = 220,451,625,887.05 - Step 5: Solve for x
x = 220,451,625,887.05/521,608.01 - Step 6: Final answer
x = 422,638.50
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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.