Finding the Fourth Proportional to 682,738.91, 1,024,240.48 and 261,982.07
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Solution
The fourth proportional to 682,738.91, 1,024,240.48 and 261,982.07 is: 393,023.80
Step by Step Solution
- Step 1: Write the proportion equation
682,738.91 : 1,024,240.48 = 261,982.07 : x - Step 2: Convert to fraction form
682,738.91/1,024,240.48 = 261,982.07/x - Step 3: Cross multiply
682,738.91x = 1,024,240.48 × 261,982.07 - Step 4: Simplify right side
682,738.91x = 268,332,641,128.19 - Step 5: Solve for x
x = 268,332,641,128.19/682,738.91 - Step 6: Final answer
x = 393,023.80
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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.