Finding the Fourth Proportional to 699,497.94, 965,328.93 and 397,711.38
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Solution
The fourth proportional to 699,497.94, 965,328.93 and 397,711.38 is: 548,854.08
Step by Step Solution
- Step 1: Write the proportion equation
699,497.94 : 965,328.93 = 397,711.38 : x - Step 2: Convert to fraction form
699,497.94/965,328.93 = 397,711.38/x - Step 3: Cross multiply
699,497.94x = 965,328.93 × 397,711.38 - Step 4: Simplify right side
699,497.94x = 383,922,300,904.22 - Step 5: Solve for x
x = 383,922,300,904.22/699,497.94 - Step 6: Final answer
x = 548,854.08
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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.