Finding the Fourth Proportional to 701,161.28, 1,051,741.92 and 640,335.68
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Solution
The fourth proportional to 701,161.28, 1,051,741.92 and 640,335.68 is: 960,503.52
Step by Step Solution
- Step 1: Write the proportion equation
701,161.28 : 1,051,741.92 = 640,335.68 : x - Step 2: Convert to fraction form
701,161.28/1,051,741.92 = 640,335.68/x - Step 3: Cross multiply
701,161.28x = 1,051,741.92 × 640,335.68 - Step 4: Simplify right side
701,161.28x = 673,467,877,527.71 - Step 5: Solve for x
x = 673,467,877,527.71/701,161.28 - Step 6: Final answer
x = 960,503.52
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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.