Finding the Fourth Proportional to 531,806.20, 796,634.10 and 331,511.80
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Solution
The fourth proportional to 531,806.20, 796,634.10 and 331,511.80 is: 496,597.45
Step by Step Solution
- Step 1: Write the proportion equation
531,806.20 : 796,634.10 = 331,511.80 : x - Step 2: Convert to fraction form
531,806.20/796,634.10 = 331,511.80/x - Step 3: Cross multiply
531,806.20x = 796,634.10 × 331,511.80 - Step 4: Simplify right side
531,806.20x = 264,093,604,432.38 - Step 5: Solve for x
x = 264,093,604,432.38/531,806.20 - Step 6: Final answer
x = 496,597.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.