Finding the Fourth Proportional to 751,578.42, 1,127,354.64 and 252,942.42
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Solution
The fourth proportional to 751,578.42, 1,127,354.64 and 252,942.42 is: 379,409.26
Step by Step Solution
- Step 1: Write the proportion equation
751,578.42 : 1,127,354.64 = 252,942.42 : x - Step 2: Convert to fraction form
751,578.42/1,127,354.64 = 252,942.42/x - Step 3: Cross multiply
751,578.42x = 1,127,354.64 × 252,942.42 - Step 4: Simplify right side
751,578.42x = 285,155,809,575.12 - Step 5: Solve for x
x = 285,155,809,575.12/751,578.42 - Step 6: Final answer
x = 379,409.26
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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.