Finding the Fourth Proportional to 415,785.80, 622,512.30 and 404,121.80
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Solution
The fourth proportional to 415,785.80, 622,512.30 and 404,121.80 is: 605,049.02
Step by Step Solution
- Step 1: Write the proportion equation
415,785.80 : 622,512.30 = 404,121.80 : x - Step 2: Convert to fraction form
415,785.80/622,512.30 = 404,121.80/x - Step 3: Cross multiply
415,785.80x = 622,512.30 × 404,121.80 - Step 4: Simplify right side
415,785.80x = 251,570,791,198.14 - Step 5: Solve for x
x = 251,570,791,198.14/415,785.80 - Step 6: Final answer
x = 605,049.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.