Finding the Fourth Proportional to 547,692.10, 819,925.35 and 408,069.70
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Solution
The fourth proportional to 547,692.10, 819,925.35 and 408,069.70 is: 610,902.90
Step by Step Solution
- Step 1: Write the proportion equation
547,692.10 : 819,925.35 = 408,069.70 : x - Step 2: Convert to fraction form
547,692.10/819,925.35 = 408,069.70/x - Step 3: Cross multiply
547,692.10x = 819,925.35 × 408,069.70 - Step 4: Simplify right side
547,692.10x = 334,586,691,596.90 - Step 5: Solve for x
x = 334,586,691,596.90/547,692.10 - Step 6: Final answer
x = 610,902.90
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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.