Finding the Fourth Proportional to 681,486.60, 1,022,704.22 and 282,129.44
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Solution
The fourth proportional to 681,486.60, 1,022,704.22 and 282,129.44 is: 423,390.52
Step by Step Solution
- Step 1: Write the proportion equation
681,486.60 : 1,022,704.22 = 282,129.44 : x - Step 2: Convert to fraction form
681,486.60/1,022,704.22 = 282,129.44/x - Step 3: Cross multiply
681,486.60x = 1,022,704.22 × 282,129.44 - Step 4: Simplify right side
681,486.60x = 288,534,968,874.24 - Step 5: Solve for x
x = 288,534,968,874.24/681,486.60 - Step 6: Final answer
x = 423,390.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.