Finding the Fourth Proportional to 807,704.58, 1,114,639.92 and 445,141.49
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Solution
The fourth proportional to 807,704.58, 1,114,639.92 and 445,141.49 is: 614,299.44
Step by Step Solution
- Step 1: Write the proportion equation
807,704.58 : 1,114,639.92 = 445,141.49 : x - Step 2: Convert to fraction form
807,704.58/1,114,639.92 = 445,141.49/x - Step 3: Cross multiply
807,704.58x = 1,114,639.92 × 445,141.49 - Step 4: Simplify right side
807,704.58x = 496,172,469,229.08 - Step 5: Solve for x
x = 496,172,469,229.08/807,704.58 - Step 6: Final answer
x = 614,299.44
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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.