Finding the Fourth Proportional to 753,694.65, 1,040,277.42 and 431,589.63
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Solution
The fourth proportional to 753,694.65, 1,040,277.42 and 431,589.63 is: 595,696.08
Step by Step Solution
- Step 1: Write the proportion equation
753,694.65 : 1,040,277.42 = 431,589.63 : x - Step 2: Convert to fraction form
753,694.65/1,040,277.42 = 431,589.63/x - Step 3: Cross multiply
753,694.65x = 1,040,277.42 × 431,589.63 - Step 4: Simplify right side
753,694.65x = 448,972,946,795.16 - Step 5: Solve for x
x = 448,972,946,795.16/753,694.65 - Step 6: Final answer
x = 595,696.08
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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.