Finding the Fourth Proportional to 701,918.62, 968,647.69 and 379,628.73
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Solution
The fourth proportional to 701,918.62, 968,647.69 and 379,628.73 is: 523,887.64
Step by Step Solution
- Step 1: Write the proportion equation
701,918.62 : 968,647.69 = 379,628.73 : x - Step 2: Convert to fraction form
701,918.62/968,647.69 = 379,628.73/x - Step 3: Cross multiply
701,918.62x = 968,647.69 × 379,628.73 - Step 4: Simplify right side
701,918.62x = 367,726,492,372.13 - Step 5: Solve for x
x = 367,726,492,372.13/701,918.62 - Step 6: Final answer
x = 523,887.64
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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.