Finding the Fourth Proportional to 521,450.30, 782,466.09 and 281,559.12
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Solution
The fourth proportional to 521,450.30, 782,466.09 and 281,559.12 is: 422,495.62
Step by Step Solution
- Step 1: Write the proportion equation
521,450.30 : 782,466.09 = 281,559.12 : x - Step 2: Convert to fraction form
521,450.30/782,466.09 = 281,559.12/x - Step 3: Cross multiply
521,450.30x = 782,466.09 × 281,559.12 - Step 4: Simplify right side
521,450.30x = 220,310,463,730.24 - Step 5: Solve for x
x = 220,310,463,730.24/521,450.30 - Step 6: Final answer
x = 422,495.62
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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.