Finding the Fourth Proportional to 799,551, 1,199,916.18 and 378,827.28
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Solution
The fourth proportional to 799,551, 1,199,916.18 and 378,827.28 is: 568,520.31
Step by Step Solution
- Step 1: Write the proportion equation
799,551 : 1,199,916.18 = 378,827.28 : x - Step 2: Convert to fraction form
799,551/1,199,916.18 = 378,827.28/x - Step 3: Cross multiply
799,551x = 1,199,916.18 × 378,827.28 - Step 4: Simplify right side
799,551x = 454,560,982,697.39 - Step 5: Solve for x
x = 454,560,982,697.39/799,551 - Step 6: Final answer
x = 568,520.31
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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.