Finding the Fourth Proportional to 451,290.26, 675,409.57 and 439,146.09
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Solution
The fourth proportional to 451,290.26, 675,409.57 and 439,146.09 is: 657,234.37
Step by Step Solution
- Step 1: Write the proportion equation
451,290.26 : 675,409.57 = 439,146.09 : x - Step 2: Convert to fraction form
451,290.26/675,409.57 = 439,146.09/x - Step 3: Cross multiply
451,290.26x = 675,409.57 × 439,146.09 - Step 4: Simplify right side
451,290.26x = 296,603,470,716.22 - Step 5: Solve for x
x = 296,603,470,716.22/451,290.26 - Step 6: Final answer
x = 657,234.37
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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.