Finding the Fourth Proportional to 852,288.08, 1,278,099.84 and 319,518.68
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Solution
The fourth proportional to 852,288.08, 1,278,099.84 and 319,518.68 is: 479,153.45
Step by Step Solution
- Step 1: Write the proportion equation
852,288.08 : 1,278,099.84 = 319,518.68 : x - Step 2: Convert to fraction form
852,288.08/1,278,099.84 = 319,518.68/x - Step 3: Cross multiply
852,288.08x = 1,278,099.84 × 319,518.68 - Step 4: Simplify right side
852,288.08x = 408,376,773,785.01 - Step 5: Solve for x
x = 408,376,773,785.01/852,288.08 - Step 6: Final answer
x = 479,153.45
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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.