Finding the Fourth Proportional to 642,375.44, 963,313.92 and 342,692.44
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Solution
The fourth proportional to 642,375.44, 963,313.92 and 342,692.44 is: 513,905.70
Step by Step Solution
- Step 1: Write the proportion equation
642,375.44 : 963,313.92 = 342,692.44 : x - Step 2: Convert to fraction form
642,375.44/963,313.92 = 342,692.44/x - Step 3: Cross multiply
642,375.44x = 963,313.92 × 342,692.44 - Step 4: Simplify right side
642,375.44x = 330,120,397,730.77 - Step 5: Solve for x
x = 330,120,397,730.77/642,375.44 - Step 6: Final answer
x = 513,905.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.