Finding the Fourth Proportional to 643,692.20, 965,768.70 and 269,829.80
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Solution
The fourth proportional to 643,692.20, 965,768.70 and 269,829.80 is: 404,841.28
Step by Step Solution
- Step 1: Write the proportion equation
643,692.20 : 965,768.70 = 269,829.80 : x - Step 2: Convert to fraction form
643,692.20/965,768.70 = 269,829.80/x - Step 3: Cross multiply
643,692.20x = 965,768.70 × 269,829.80 - Step 4: Simplify right side
643,692.20x = 260,593,175,167.26 - Step 5: Solve for x
x = 260,593,175,167.26/643,692.20 - Step 6: Final answer
x = 404,841.28
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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.