Finding the Fourth Proportional to 734,902.60, 1,102,353.90 and 261,635.80
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Solution
The fourth proportional to 734,902.60, 1,102,353.90 and 261,635.80 is: 392,453.70
Step by Step Solution
- Step 1: Write the proportion equation
734,902.60 : 1,102,353.90 = 261,635.80 : x - Step 2: Convert to fraction form
734,902.60/1,102,353.90 = 261,635.80/x - Step 3: Cross multiply
734,902.60x = 1,102,353.90 × 261,635.80 - Step 4: Simplify right side
734,902.60x = 288,415,244,509.62 - Step 5: Solve for x
x = 288,415,244,509.62/734,902.60 - Step 6: Final answer
x = 392,453.70
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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.