Finding the Fourth Proportional to 675,831.28, 1,013,780.58 and 202,471.60
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Solution
The fourth proportional to 675,831.28, 1,013,780.58 and 202,471.60 is: 303,717.48
Step by Step Solution
- Step 1: Write the proportion equation
675,831.28 : 1,013,780.58 = 202,471.60 : x - Step 2: Convert to fraction form
675,831.28/1,013,780.58 = 202,471.60/x - Step 3: Cross multiply
675,831.28x = 1,013,780.58 × 202,471.60 - Step 4: Simplify right side
675,831.28x = 205,261,776,081.53 - Step 5: Solve for x
x = 205,261,776,081.53/675,831.28 - Step 6: Final answer
x = 303,717.48
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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.