Finding the Fourth Proportional to 852,290.08, 1,278,102.84 and 319,520.68
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Solution
The fourth proportional to 852,290.08, 1,278,102.84 and 319,520.68 is: 479,156.45
Step by Step Solution
- Step 1: Write the proportion equation
852,290.08 : 1,278,102.84 = 319,520.68 : x - Step 2: Convert to fraction form
852,290.08/1,278,102.84 = 319,520.68/x - Step 3: Cross multiply
852,290.08x = 1,278,102.84 × 319,520.68 - Step 4: Simplify right side
852,290.08x = 408,380,288,546.73 - Step 5: Solve for x
x = 408,380,288,546.73/852,290.08 - Step 6: Final answer
x = 479,156.45
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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.