Finding the Fourth Proportional to 861,872.29, 1,292,804.92 and 262,831.70
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Solution
The fourth proportional to 861,872.29, 1,292,804.92 and 262,831.70 is: 394,246.48
Step by Step Solution
- Step 1: Write the proportion equation
861,872.29 : 1,292,804.92 = 262,831.70 : x - Step 2: Convert to fraction form
861,872.29/1,292,804.92 = 262,831.70/x - Step 3: Cross multiply
861,872.29x = 1,292,804.92 × 262,831.70 - Step 4: Simplify right side
861,872.29x = 339,790,114,891.96 - Step 5: Solve for x
x = 339,790,114,891.96/861,872.29 - Step 6: Final answer
x = 394,246.48
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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.