Finding the Fourth Proportional to 852,238.76, 1,278,308.00 and 319,715.19
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Solution
The fourth proportional to 852,238.76, 1,278,308.00 and 319,715.19 is: 479,553.98
Step by Step Solution
- Step 1: Write the proportion equation
852,238.76 : 1,278,308.00 = 319,715.19 : x - Step 2: Convert to fraction form
852,238.76/1,278,308.00 = 319,715.19/x - Step 3: Cross multiply
852,238.76x = 1,278,308.00 × 319,715.19 - Step 4: Simplify right side
852,238.76x = 408,694,483,499.94 - Step 5: Solve for x
x = 408,694,483,499.94/852,238.76 - Step 6: Final answer
x = 479,553.98
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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.