Finding the Fourth Proportional to 701,965.89, 968,713.11 and 396,107.09
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Solution
The fourth proportional to 701,965.89, 968,713.11 and 396,107.09 is: 546,627.89
Step by Step Solution
- Step 1: Write the proportion equation
701,965.89 : 968,713.11 = 396,107.09 : x - Step 2: Convert to fraction form
701,965.89/968,713.11 = 396,107.09/x - Step 3: Cross multiply
701,965.89x = 968,713.11 × 396,107.09 - Step 4: Simplify right side
701,965.89x = 383,714,131,046.95 - Step 5: Solve for x
x = 383,714,131,046.95/701,965.89 - Step 6: Final answer
x = 546,627.89
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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.