Finding the Fourth Proportional to 774,396.18, 1,161,419.07 and 294,452.79
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Solution
The fourth proportional to 774,396.18, 1,161,419.07 and 294,452.79 is: 441,612.57
Step by Step Solution
- Step 1: Write the proportion equation
774,396.18 : 1,161,419.07 = 294,452.79 : x - Step 2: Convert to fraction form
774,396.18/1,161,419.07 = 294,452.79/x - Step 3: Cross multiply
774,396.18x = 1,161,419.07 × 294,452.79 - Step 4: Simplify right side
774,396.18x = 341,983,085,520.71 - Step 5: Solve for x
x = 341,983,085,520.71/774,396.18 - Step 6: Final answer
x = 441,612.57
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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.