Finding the Fourth Proportional to 576,990.98, 796,205.84 and 318,864.84
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Solution
The fourth proportional to 576,990.98, 796,205.84 and 318,864.84 is: 440,010.42
Step by Step Solution
- Step 1: Write the proportion equation
576,990.98 : 796,205.84 = 318,864.84 : x - Step 2: Convert to fraction form
576,990.98/796,205.84 = 318,864.84/x - Step 3: Cross multiply
576,990.98x = 796,205.84 × 318,864.84 - Step 4: Simplify right side
576,990.98x = 253,882,043,198.57 - Step 5: Solve for x
x = 253,882,043,198.57/576,990.98 - Step 6: Final answer
x = 440,010.42
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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.