Finding the Fourth Proportional to 796,711.28, 1,099,447.40 and 434,137.68
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Solution
The fourth proportional to 796,711.28, 1,099,447.40 and 434,137.68 is: 599,102.28
Step by Step Solution
- Step 1: Write the proportion equation
796,711.28 : 1,099,447.40 = 434,137.68 : x - Step 2: Convert to fraction form
796,711.28/1,099,447.40 = 434,137.68/x - Step 3: Cross multiply
796,711.28x = 1,099,447.40 × 434,137.68 - Step 4: Simplify right side
796,711.28x = 477,311,543,518.03 - Step 5: Solve for x
x = 477,311,543,518.03/796,711.28 - Step 6: Final answer
x = 599,102.28
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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.