Finding the Fourth Proportional to 664,129.92, 996,725.69 and 344,372.91
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Solution
The fourth proportional to 664,129.92, 996,725.69 and 344,372.91 is: 516,834.60
Step by Step Solution
- Step 1: Write the proportion equation
664,129.92 : 996,725.69 = 344,372.91 : x - Step 2: Convert to fraction form
664,129.92/996,725.69 = 344,372.91/x - Step 3: Cross multiply
664,129.92x = 996,725.69 × 344,372.91 - Step 4: Simplify right side
664,129.92x = 343,245,322,168.87 - Step 5: Solve for x
x = 343,245,322,168.87/664,129.92 - Step 6: Final answer
x = 516,834.60
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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.