Finding the Fourth Proportional to 613,608.68, 918,682.62 and 324,765.96
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Solution
The fourth proportional to 613,608.68, 918,682.62 and 324,765.96 is: 486,233.09
Step by Step Solution
- Step 1: Write the proportion equation
613,608.68 : 918,682.62 = 324,765.96 : x - Step 2: Convert to fraction form
613,608.68/918,682.62 = 324,765.96/x - Step 3: Cross multiply
613,608.68x = 918,682.62 × 324,765.96 - Step 4: Simplify right side
613,608.68x = 298,356,843,019.62 - Step 5: Solve for x
x = 298,356,843,019.62/613,608.68 - Step 6: Final answer
x = 486,233.09
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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.