Finding the Fourth Proportional to 863,639.14, 1,295,147.67 and 365,042.02
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Solution
The fourth proportional to 863,639.14, 1,295,147.67 and 365,042.02 is: 547,431.56
Step by Step Solution
- Step 1: Write the proportion equation
863,639.14 : 1,295,147.67 = 365,042.02 : x - Step 2: Convert to fraction form
863,639.14/1,295,147.67 = 365,042.02/x - Step 3: Cross multiply
863,639.14x = 1,295,147.67 × 365,042.02 - Step 4: Simplify right side
863,639.14x = 472,783,321,655.09 - Step 5: Solve for x
x = 472,783,321,655.09/863,639.14 - Step 6: Final answer
x = 547,431.56
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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.