Finding the Fourth Proportional to 681,202.53, 940,058.87 and 394,888.59
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Solution
The fourth proportional to 681,202.53, 940,058.87 and 394,888.59 is: 544,945.89
Step by Step Solution
- Step 1: Write the proportion equation
681,202.53 : 940,058.87 = 394,888.59 : x - Step 2: Convert to fraction form
681,202.53/940,058.87 = 394,888.59/x - Step 3: Cross multiply
681,202.53x = 940,058.87 × 394,888.59 - Step 4: Simplify right side
681,202.53x = 371,218,519,716.85 - Step 5: Solve for x
x = 371,218,519,716.85/681,202.53 - Step 6: Final answer
x = 544,945.89
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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.