Finding the Fourth Proportional to 852,109.20, 1,278,163.80 and 537,958.80
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Solution
The fourth proportional to 852,109.20, 1,278,163.80 and 537,958.80 is: 806,938.20
Step by Step Solution
- Step 1: Write the proportion equation
852,109.20 : 1,278,163.80 = 537,958.80 : x - Step 2: Convert to fraction form
852,109.20/1,278,163.80 = 537,958.80/x - Step 3: Cross multiply
852,109.20x = 1,278,163.80 × 537,958.80 - Step 4: Simplify right side
852,109.20x = 687,599,464,051.44 - Step 5: Solve for x
x = 687,599,464,051.44/852,109.20 - Step 6: Final answer
x = 806,938.20
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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.