Finding the Fourth Proportional to 722,695.21, 1,083,622.62 and 273,450.72
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Solution
The fourth proportional to 722,695.21, 1,083,622.62 and 273,450.72 is: 410,017.09
Step by Step Solution
- Step 1: Write the proportion equation
722,695.21 : 1,083,622.62 = 273,450.72 : x - Step 2: Convert to fraction form
722,695.21/1,083,622.62 = 273,450.72/x - Step 3: Cross multiply
722,695.21x = 1,083,622.62 × 273,450.72 - Step 4: Simplify right side
722,695.21x = 296,317,389,039.97 - Step 5: Solve for x
x = 296,317,389,039.97/722,695.21 - Step 6: Final answer
x = 410,017.09
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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.