Finding the Fourth Proportional to 951,523.62, 1,313,120.64 and 521,778.12
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Solution
The fourth proportional to 951,523.62, 1,313,120.64 and 521,778.12 is: 720,063.70
Step by Step Solution
- Step 1: Write the proportion equation
951,523.62 : 1,313,120.64 = 521,778.12 : x - Step 2: Convert to fraction form
951,523.62/1,313,120.64 = 521,778.12/x - Step 3: Cross multiply
951,523.62x = 1,313,120.64 × 521,778.12 - Step 4: Simplify right side
951,523.62x = 685,157,618,872.40 - Step 5: Solve for x
x = 685,157,618,872.40/951,523.62 - Step 6: Final answer
x = 720,063.70
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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.