Finding the Fourth Proportional to 637,563.13, 879,837.12 and 351,082.53
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Solution
The fourth proportional to 637,563.13, 879,837.12 and 351,082.53 is: 484,493.89
Step by Step Solution
- Step 1: Write the proportion equation
637,563.13 : 879,837.12 = 351,082.53 : x - Step 2: Convert to fraction form
637,563.13/879,837.12 = 351,082.53/x - Step 3: Cross multiply
637,563.13x = 879,837.12 × 351,082.53 - Step 4: Simplify right side
637,563.13x = 308,895,440,322.10 - Step 5: Solve for x
x = 308,895,440,322.10/637,563.13 - Step 6: Final answer
x = 484,493.89
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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.