Finding the Fourth Proportional to 576,851.43, 796,071.04 and 318,745.08
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Solution
The fourth proportional to 576,851.43, 796,071.04 and 318,745.08 is: 439,877.09
Step by Step Solution
- Step 1: Write the proportion equation
576,851.43 : 796,071.04 = 318,745.08 : x - Step 2: Convert to fraction form
576,851.43/796,071.04 = 318,745.08/x - Step 3: Cross multiply
576,851.43x = 796,071.04 × 318,745.08 - Step 4: Simplify right side
576,851.43x = 253,743,728,523.80 - Step 5: Solve for x
x = 253,743,728,523.80/576,851.43 - Step 6: Final answer
x = 439,877.09
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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.