Finding the Fourth Proportional to 876,942.73, 1,315,450.68 and 277,890.63
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Solution
The fourth proportional to 876,942.73, 1,315,450.68 and 277,890.63 is: 416,847.54
Step by Step Solution
- Step 1: Write the proportion equation
876,942.73 : 1,315,450.68 = 277,890.63 : x - Step 2: Convert to fraction form
876,942.73/1,315,450.68 = 277,890.63/x - Step 3: Cross multiply
876,942.73x = 1,315,450.68 × 277,890.63 - Step 4: Simplify right side
876,942.73x = 365,551,418,199.13 - Step 5: Solve for x
x = 365,551,418,199.13/876,942.73 - Step 6: Final answer
x = 416,847.54
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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.