Finding the Fourth Proportional to 699,620.69, 965,725.88 and 413,141.92
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Solution
The fourth proportional to 699,620.69, 965,725.88 and 413,141.92 is: 570,283.07
Step by Step Solution
- Step 1: Write the proportion equation
699,620.69 : 965,725.88 = 413,141.92 : x - Step 2: Convert to fraction form
699,620.69/965,725.88 = 413,141.92/x - Step 3: Cross multiply
699,620.69x = 965,725.88 × 413,141.92 - Step 4: Simplify right side
699,620.69x = 398,981,839,776.87 - Step 5: Solve for x
x = 398,981,839,776.87/699,620.69 - Step 6: Final answer
x = 570,283.07
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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.