Finding the Fourth Proportional to 994,461.80, 1,491,692.70 and 329,613.80
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Solution
The fourth proportional to 994,461.80, 1,491,692.70 and 329,613.80 is: 494,420.70
Step by Step Solution
- Step 1: Write the proportion equation
994,461.80 : 1,491,692.70 = 329,613.80 : x - Step 2: Convert to fraction form
994,461.80/1,491,692.70 = 329,613.80/x - Step 3: Cross multiply
994,461.80x = 1,491,692.70 × 329,613.80 - Step 4: Simplify right side
994,461.80x = 491,682,499,279.26 - Step 5: Solve for x
x = 491,682,499,279.26/994,461.80 - Step 6: Final answer
x = 494,420.70
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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.