Finding the Fourth Proportional to 618,163.92, 853,008.84 and 349,891.92
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Solution
The fourth proportional to 618,163.92, 853,008.84 and 349,891.92 is: 482,818.38
Step by Step Solution
- Step 1: Write the proportion equation
618,163.92 : 853,008.84 = 349,891.92 : x - Step 2: Convert to fraction form
618,163.92/853,008.84 = 349,891.92/x - Step 3: Cross multiply
618,163.92x = 853,008.84 × 349,891.92 - Step 4: Simplify right side
618,163.92x = 298,460,900,804.57 - Step 5: Solve for x
x = 298,460,900,804.57/618,163.92 - Step 6: Final answer
x = 482,818.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.