Finding the Fourth Proportional to 857,193.68, 1,285,800.24 and 324,570.08
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Solution
The fourth proportional to 857,193.68, 1,285,800.24 and 324,570.08 is: 486,858.80
Step by Step Solution
- Step 1: Write the proportion equation
857,193.68 : 1,285,800.24 = 324,570.08 : x - Step 2: Convert to fraction form
857,193.68/1,285,800.24 = 324,570.08/x - Step 3: Cross multiply
857,193.68x = 1,285,800.24 × 324,570.08 - Step 4: Simplify right side
857,193.68x = 417,332,286,760.82 - Step 5: Solve for x
x = 417,332,286,760.82/857,193.68 - Step 6: Final answer
x = 486,858.80
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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.