Finding the Fourth Proportional to 494,263.05, 741,394.62 and 427,504.92
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Solution
The fourth proportional to 494,263.05, 741,394.62 and 427,504.92 is: 641,257.42
Step by Step Solution
- Step 1: Write the proportion equation
494,263.05 : 741,394.62 = 427,504.92 : x - Step 2: Convert to fraction form
494,263.05/741,394.62 = 427,504.92/x - Step 3: Cross multiply
494,263.05x = 741,394.62 × 427,504.92 - Step 4: Simplify right side
494,263.05x = 316,949,847,711.53 - Step 5: Solve for x
x = 316,949,847,711.53/494,263.05 - Step 6: Final answer
x = 641,257.42
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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.