Finding the Fourth Proportional to 857,191.68, 1,285,797.24 and 324,568.08
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Solution
The fourth proportional to 857,191.68, 1,285,797.24 and 324,568.08 is: 486,855.80
Step by Step Solution
- Step 1: Write the proportion equation
857,191.68 : 1,285,797.24 = 324,568.08 : x - Step 2: Convert to fraction form
857,191.68/1,285,797.24 = 324,568.08/x - Step 3: Cross multiply
857,191.68x = 1,285,797.24 × 324,568.08 - Step 4: Simplify right side
857,191.68x = 417,328,741,456.10 - Step 5: Solve for x
x = 417,328,741,456.10/857,191.68 - Step 6: Final answer
x = 486,855.80
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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.