Finding the Fourth Proportional to 757,269.34, 1,045,034.68 and 413,112.60
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Solution
The fourth proportional to 757,269.34, 1,045,034.68 and 413,112.60 is: 570,097.02
Step by Step Solution
- Step 1: Write the proportion equation
757,269.34 : 1,045,034.68 = 413,112.60 : x - Step 2: Convert to fraction form
757,269.34/1,045,034.68 = 413,112.60/x - Step 3: Cross multiply
757,269.34x = 1,045,034.68 × 413,112.60 - Step 4: Simplify right side
757,269.34x = 431,716,993,744.97 - Step 5: Solve for x
x = 431,716,993,744.97/757,269.34 - Step 6: Final answer
x = 570,097.02
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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.