Finding the Fourth Proportional to 965,701.63, 1,332,913.22 and 659,901.79
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Solution
The fourth proportional to 965,701.63, 1,332,913.22 and 659,901.79 is: 910,831.87
Step by Step Solution
- Step 1: Write the proportion equation
965,701.63 : 1,332,913.22 = 659,901.79 : x - Step 2: Convert to fraction form
965,701.63/1,332,913.22 = 659,901.79/x - Step 3: Cross multiply
965,701.63x = 1,332,913.22 × 659,901.79 - Step 4: Simplify right side
965,701.63x = 879,591,819,792.66 - Step 5: Solve for x
x = 879,591,819,792.66/965,701.63 - Step 6: Final answer
x = 910,831.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.