Finding the Fourth Proportional to 921,194.36, 1,380,107.54 and 667,847.42
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Solution
The fourth proportional to 921,194.36, 1,380,107.54 and 667,847.42 is: 1,000,550.26
Step by Step Solution
- Step 1: Write the proportion equation
921,194.36 : 1,380,107.54 = 667,847.42 : x - Step 2: Convert to fraction form
921,194.36/1,380,107.54 = 667,847.42/x - Step 3: Cross multiply
921,194.36x = 1,380,107.54 × 667,847.42 - Step 4: Simplify right side
921,194.36x = 921,701,259,911.55 - Step 5: Solve for x
x = 921,701,259,911.55/921,194.36 - Step 6: Final answer
x = 1,000,550.26
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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.