Finding the Fourth Proportional to 701,918.62, 968,647.68 and 379,628.74
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Solution
The fourth proportional to 701,918.62, 968,647.68 and 379,628.74 is: 523,887.65
Step by Step Solution
- Step 1: Write the proportion equation
701,918.62 : 968,647.68 = 379,628.74 : x - Step 2: Convert to fraction form
701,918.62/968,647.68 = 379,628.74/x - Step 3: Cross multiply
701,918.62x = 968,647.68 × 379,628.74 - Step 4: Simplify right side
701,918.62x = 367,726,498,262.32 - Step 5: Solve for x
x = 367,726,498,262.32/701,918.62 - Step 6: Final answer
x = 523,887.65
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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.