Finding the Fourth Proportional to 852,272.67, 1,278,076.77 and 319,503
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Solution
The fourth proportional to 852,272.67, 1,278,076.77 and 319,503 is: 479,129.95
Step by Step Solution
- Step 1: Write the proportion equation
852,272.67 : 1,278,076.77 = 319,503 : x - Step 2: Convert to fraction form
852,272.67/1,278,076.77 = 319,503/x - Step 3: Cross multiply
852,272.67x = 1,278,076.77 × 319,503 - Step 4: Simplify right side
852,272.67x = 408,349,362,245.31 - Step 5: Solve for x
x = 408,349,362,245.31/852,272.67 - Step 6: Final answer
x = 479,129.95
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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.