Finding the Fourth Proportional to 494,783.43, 682,865.46 and 277,074.99
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Solution
The fourth proportional to 494,783.43, 682,865.46 and 277,074.99 is: 382,399.51
Step by Step Solution
- Step 1: Write the proportion equation
494,783.43 : 682,865.46 = 277,074.99 : x - Step 2: Convert to fraction form
494,783.43/682,865.46 = 277,074.99/x - Step 3: Cross multiply
494,783.43x = 682,865.46 × 277,074.99 - Step 4: Simplify right side
494,783.43x = 189,204,940,500.85 - Step 5: Solve for x
x = 189,204,940,500.85/494,783.43 - Step 6: Final answer
x = 382,399.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.