Finding the Fourth Proportional to 664,906.10, 997,067.55 and 265,414.10
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Solution
The fourth proportional to 664,906.10, 997,067.55 and 265,414.10 is: 398,004.75
Step by Step Solution
- Step 1: Write the proportion equation
664,906.10 : 997,067.55 = 265,414.10 : x - Step 2: Convert to fraction form
664,906.10/997,067.55 = 265,414.10/x - Step 3: Cross multiply
664,906.10x = 997,067.55 × 265,414.10 - Step 4: Simplify right side
664,906.10x = 264,635,786,422.46 - Step 5: Solve for x
x = 264,635,786,422.46/664,906.10 - Step 6: Final answer
x = 398,004.75
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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.