Finding the Fourth Proportional to 667,274.44, 920,834.14 and 361,343.82
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Solution
The fourth proportional to 667,274.44, 920,834.14 and 361,343.82 is: 498,651.99
Step by Step Solution
- Step 1: Write the proportion equation
667,274.44 : 920,834.14 = 361,343.82 : x - Step 2: Convert to fraction form
667,274.44/920,834.14 = 361,343.82/x - Step 3: Cross multiply
667,274.44x = 920,834.14 × 361,343.82 - Step 4: Simplify right side
667,274.44x = 332,737,725,734.02 - Step 5: Solve for x
x = 332,737,725,734.02/667,274.44 - Step 6: Final answer
x = 498,651.99
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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.