Finding the Fourth Proportional to 714,287.39, 1,071,151.99 and 258,770.49
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Solution
The fourth proportional to 714,287.39, 1,071,151.99 and 258,770.49 is: 388,054.63
Step by Step Solution
- Step 1: Write the proportion equation
714,287.39 : 1,071,151.99 = 258,770.49 : x - Step 2: Convert to fraction form
714,287.39/1,071,151.99 = 258,770.49/x - Step 3: Cross multiply
714,287.39x = 1,071,151.99 × 258,770.49 - Step 4: Simplify right side
714,287.39x = 277,182,527,198.75 - Step 5: Solve for x
x = 277,182,527,198.75/714,287.39 - Step 6: Final answer
x = 388,054.63
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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.