Finding the Fourth Proportional to 699,299.97, 965,005.92 and 393,382.41
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Solution
The fourth proportional to 699,299.97, 965,005.92 and 393,382.41 is: 542,851.95
Step by Step Solution
- Step 1: Write the proportion equation
699,299.97 : 965,005.92 = 393,382.41 : x - Step 2: Convert to fraction form
699,299.97/965,005.92 = 393,382.41/x - Step 3: Cross multiply
699,299.97x = 965,005.92 × 393,382.41 - Step 4: Simplify right side
699,299.97x = 379,616,354,473.87 - Step 5: Solve for x
x = 379,616,354,473.87/699,299.97 - Step 6: Final answer
x = 542,851.95
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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.