Finding the Fourth Proportional to 852,578.74, 1,278,722.72 and 283,895.30
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Solution
The fourth proportional to 852,578.74, 1,278,722.72 and 283,895.30 is: 425,794.54
Step by Step Solution
- Step 1: Write the proportion equation
852,578.74 : 1,278,722.72 = 283,895.30 : x - Step 2: Convert to fraction form
852,578.74/1,278,722.72 = 283,895.30/x - Step 3: Cross multiply
852,578.74x = 1,278,722.72 × 283,895.30 - Step 4: Simplify right side
852,578.74x = 363,023,370,211.22 - Step 5: Solve for x
x = 363,023,370,211.22/852,578.74 - Step 6: Final answer
x = 425,794.54
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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.