Finding the Fourth Proportional to 848,322.34, 1,272,450.30 and 287,356.84
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Solution
The fourth proportional to 848,322.34, 1,272,450.30 and 287,356.84 is: 431,024.01
Step by Step Solution
- Step 1: Write the proportion equation
848,322.34 : 1,272,450.30 = 287,356.84 : x - Step 2: Convert to fraction form
848,322.34/1,272,450.30 = 287,356.84/x - Step 3: Cross multiply
848,322.34x = 1,272,450.30 × 287,356.84 - Step 4: Simplify right side
848,322.34x = 365,647,297,265.05 - Step 5: Solve for x
x = 365,647,297,265.05/848,322.34 - Step 6: Final answer
x = 431,024.01
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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.