Finding the Fourth Proportional to 503,493.87, 694,821.74 and 277,137.75
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Solution
The fourth proportional to 503,493.87, 694,821.74 and 277,137.75 is: 382,450.20
Step by Step Solution
- Step 1: Write the proportion equation
503,493.87 : 694,821.74 = 277,137.75 : x - Step 2: Convert to fraction form
503,493.87/694,821.74 = 277,137.75/x - Step 3: Cross multiply
503,493.87x = 694,821.74 × 277,137.75 - Step 4: Simplify right side
503,493.87x = 192,561,333,674.69 - Step 5: Solve for x
x = 192,561,333,674.69/503,493.87 - Step 6: Final answer
x = 382,450.20
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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.