Finding the Fourth Proportional to 852,350.40, 1,278,525.60 and 537,163.20
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Solution
The fourth proportional to 852,350.40, 1,278,525.60 and 537,163.20 is: 805,744.80
Step by Step Solution
- Step 1: Write the proportion equation
852,350.40 : 1,278,525.60 = 537,163.20 : x - Step 2: Convert to fraction form
852,350.40/1,278,525.60 = 537,163.20/x - Step 3: Cross multiply
852,350.40x = 1,278,525.60 × 537,163.20 - Step 4: Simplify right side
852,350.40x = 686,776,902,577.92 - Step 5: Solve for x
x = 686,776,902,577.92/852,350.40 - Step 6: Final answer
x = 805,744.80
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1.5x scale
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.