Finding the Fourth Proportional to 852,493.68, 1,278,079.56 and 552,340.08
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Solution
The fourth proportional to 852,493.68, 1,278,079.56 and 552,340.08 is: 828,081.88
Step by Step Solution
- Step 1: Write the proportion equation
852,493.68 : 1,278,079.56 = 552,340.08 : x - Step 2: Convert to fraction form
852,493.68/1,278,079.56 = 552,340.08/x - Step 3: Cross multiply
852,493.68x = 1,278,079.56 × 552,340.08 - Step 4: Simplify right side
852,493.68x = 705,934,566,416.77 - Step 5: Solve for x
x = 705,934,566,416.77/852,493.68 - Step 6: Final answer
x = 828,081.88
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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.