Finding the Fourth Proportional to 994,455.30, 1,491,682.95 and 363,821.70
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Solution
The fourth proportional to 994,455.30, 1,491,682.95 and 363,821.70 is: 545,732.55
Step by Step Solution
- Step 1: Write the proportion equation
994,455.30 : 1,491,682.95 = 363,821.70 : x - Step 2: Convert to fraction form
994,455.30/1,491,682.95 = 363,821.70/x - Step 3: Cross multiply
994,455.30x = 1,491,682.95 × 363,821.70 - Step 4: Simplify right side
994,455.30x = 542,706,626,730.02 - Step 5: Solve for x
x = 542,706,626,730.02/994,455.30 - Step 6: Final answer
x = 545,732.55
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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.