Finding the Fourth Proportional to 413,842.91, 621,198.73 and 366,759.23
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Solution
The fourth proportional to 413,842.91, 621,198.73 and 366,759.23 is: 550,523.79
Step by Step Solution
- Step 1: Write the proportion equation
413,842.91 : 621,198.73 = 366,759.23 : x - Step 2: Convert to fraction form
413,842.91/621,198.73 = 366,759.23/x - Step 3: Cross multiply
413,842.91x = 621,198.73 × 366,759.23 - Step 4: Simplify right side
413,842.91x = 227,830,367,891.78 - Step 5: Solve for x
x = 227,830,367,891.78/413,842.91 - Step 6: Final answer
x = 550,523.79
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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.