Finding the Fourth Proportional to 852,314.24, 1,278,138.88 and 319,544.64
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Solution
The fourth proportional to 852,314.24, 1,278,138.88 and 319,544.64 is: 479,192.31
Step by Step Solution
- Step 1: Write the proportion equation
852,314.24 : 1,278,138.88 = 319,544.64 : x - Step 2: Convert to fraction form
852,314.24/1,278,138.88 = 319,544.64/x - Step 3: Cross multiply
852,314.24x = 1,278,138.88 × 319,544.64 - Step 4: Simplify right side
852,314.24x = 408,422,428,279.60 - Step 5: Solve for x
x = 408,422,428,279.60/852,314.24 - Step 6: Final answer
x = 479,192.31
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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.