Finding the Fourth Proportional to 656,785.63, 985,219.98 and 277,635.70
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Solution
The fourth proportional to 656,785.63, 985,219.98 and 277,635.70 is: 416,471.11
Step by Step Solution
- Step 1: Write the proportion equation
656,785.63 : 985,219.98 = 277,635.70 : x - Step 2: Convert to fraction form
656,785.63/985,219.98 = 277,635.70/x - Step 3: Cross multiply
656,785.63x = 985,219.98 × 277,635.70 - Step 4: Simplify right side
656,785.63x = 273,532,238,801.29 - Step 5: Solve for x
x = 273,532,238,801.29/656,785.63 - Step 6: Final answer
x = 416,471.11
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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.