Finding the Fourth Proportional to 701,968.68, 968,716.86 and 379,678.80
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Solution
The fourth proportional to 701,968.68, 968,716.86 and 379,678.80 is: 523,956.79
Step by Step Solution
- Step 1: Write the proportion equation
701,968.68 : 968,716.86 = 379,678.80 : x - Step 2: Convert to fraction form
701,968.68/968,716.86 = 379,678.80/x - Step 3: Cross multiply
701,968.68x = 968,716.86 × 379,678.80 - Step 4: Simplify right side
701,968.68x = 367,801,254,944.57 - Step 5: Solve for x
x = 367,801,254,944.57/701,968.68 - Step 6: Final answer
x = 523,956.79
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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.