Finding the Fourth Proportional to 637,562.63, 879,836.42 and 351,082.03
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Solution
The fourth proportional to 637,562.63, 879,836.42 and 351,082.03 is: 484,493.20
Step by Step Solution
- Step 1: Write the proportion equation
637,562.63 : 879,836.42 = 351,082.03 : x - Step 2: Convert to fraction form
637,562.63/879,836.42 = 351,082.03/x - Step 3: Cross multiply
637,562.63x = 879,836.42 × 351,082.03 - Step 4: Simplify right side
637,562.63x = 308,894,755,079.65 - Step 5: Solve for x
x = 308,894,755,079.65/637,562.63 - Step 6: Final answer
x = 484,493.20
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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.