Finding the Fourth Proportional to 531,286.07, 733,175.34 and 289,568.84
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Solution
The fourth proportional to 531,286.07, 733,175.34 and 289,568.84 is: 399,605.31
Step by Step Solution
- Step 1: Write the proportion equation
531,286.07 : 733,175.34 = 289,568.84 : x - Step 2: Convert to fraction form
531,286.07/733,175.34 = 289,568.84/x - Step 3: Cross multiply
531,286.07x = 733,175.34 × 289,568.84 - Step 4: Simplify right side
531,286.07x = 212,304,734,553.34 - Step 5: Solve for x
x = 212,304,734,553.34/531,286.07 - Step 6: Final answer
x = 399,605.31
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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.