Finding the Fourth Proportional to 681,635.64, 940,660.92 and 395,325.48
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Solution
The fourth proportional to 681,635.64, 940,660.92 and 395,325.48 is: 545,551.33
Step by Step Solution
- Step 1: Write the proportion equation
681,635.64 : 940,660.92 = 395,325.48 : x - Step 2: Convert to fraction form
681,635.64/940,660.92 = 395,325.48/x - Step 3: Cross multiply
681,635.64x = 940,660.92 × 395,325.48 - Step 4: Simplify right side
681,635.64x = 371,867,229,716.24 - Step 5: Solve for x
x = 371,867,229,716.24/681,635.64 - Step 6: Final answer
x = 545,551.33
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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.