Finding the Fourth Proportional to 863,474.40, 1,295,202.96 and 484,394.40
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Solution
The fourth proportional to 863,474.40, 1,295,202.96 and 484,394.40 is: 726,586.75
Step by Step Solution
- Step 1: Write the proportion equation
863,474.40 : 1,295,202.96 = 484,394.40 : x - Step 2: Convert to fraction form
863,474.40/1,295,202.96 = 484,394.40/x - Step 3: Cross multiply
863,474.40x = 1,295,202.96 × 484,394.40 - Step 4: Simplify right side
863,474.40x = 627,389,060,687.42 - Step 5: Solve for x
x = 627,389,060,687.42/863,474.40 - Step 6: Final answer
x = 726,586.75
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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.