Finding the Fourth Proportional to 701,163.28, 1,051,744.92 and 640,337.68
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Solution
The fourth proportional to 701,163.28, 1,051,744.92 and 640,337.68 is: 960,506.52
Step by Step Solution
- Step 1: Write the proportion equation
701,163.28 : 1,051,744.92 = 640,337.68 : x - Step 2: Convert to fraction form
701,163.28/1,051,744.92 = 640,337.68/x - Step 3: Cross multiply
701,163.28x = 1,051,744.92 × 640,337.68 - Step 4: Simplify right side
701,163.28x = 673,471,902,024.59 - Step 5: Solve for x
x = 673,471,902,024.59/701,163.28 - Step 6: Final answer
x = 960,506.52
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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.