Finding the Fourth Proportional to 1,384,258.92, 2,076,375.84 and 437,629.92
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Solution
The fourth proportional to 1,384,258.92, 2,076,375.84 and 437,629.92 is: 656,440.92
Step by Step Solution
- Step 1: Write the proportion equation
1,384,258.92 : 2,076,375.84 = 437,629.92 : x - Step 2: Convert to fraction form
1,384,258.92/2,076,375.84 = 437,629.92/x - Step 3: Cross multiply
1,384,258.92x = 2,076,375.84 × 437,629.92 - Step 4: Simplify right side
1,384,258.92x = 908,684,192,749.13 - Step 5: Solve for x
x = 908,684,192,749.13/1,384,258.92 - Step 6: Final answer
x = 656,440.92
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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.