Finding the Fourth Proportional to 505,818.38, 698,354.80 and 324,608.42
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Solution
The fourth proportional to 505,818.38, 698,354.80 and 324,608.42 is: 448,168.47
Step by Step Solution
- Step 1: Write the proportion equation
505,818.38 : 698,354.80 = 324,608.42 : x - Step 2: Convert to fraction form
505,818.38/698,354.80 = 324,608.42/x - Step 3: Cross multiply
505,818.38x = 698,354.80 × 324,608.42 - Step 4: Simplify right side
505,818.38x = 226,691,848,227.42 - Step 5: Solve for x
x = 226,691,848,227.42/505,818.38 - Step 6: Final answer
x = 448,168.47
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1.5x scale
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.