Finding the Fourth Proportional to 654,831.52, 982,247.28 and 433,163.68
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Solution
The fourth proportional to 654,831.52, 982,247.28 and 433,163.68 is: 649,745.52
Step by Step Solution
- Step 1: Write the proportion equation
654,831.52 : 982,247.28 = 433,163.68 : x - Step 2: Convert to fraction form
654,831.52/982,247.28 = 433,163.68/x - Step 3: Cross multiply
654,831.52x = 982,247.28 × 433,163.68 - Step 4: Simplify right side
654,831.52x = 425,473,846,474.79 - Step 5: Solve for x
x = 425,473,846,474.79/654,831.52 - Step 6: Final answer
x = 649,745.52
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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.