Finding the Fourth Proportional to 863,528.10, 1,295,283.06 and 294,902.70
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Solution
The fourth proportional to 863,528.10, 1,295,283.06 and 294,902.70 is: 442,350.95
Step by Step Solution
- Step 1: Write the proportion equation
863,528.10 : 1,295,283.06 = 294,902.70 : x - Step 2: Convert to fraction form
863,528.10/1,295,283.06 = 294,902.70/x - Step 3: Cross multiply
863,528.10x = 1,295,283.06 × 294,902.70 - Step 4: Simplify right side
863,528.10x = 381,982,471,658.26 - Step 5: Solve for x
x = 381,982,471,658.26/863,528.10 - Step 6: Final answer
x = 442,350.95
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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.