Finding the Fourth Proportional to 578,297.10, 866,414.70 and 493,193.82
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Solution
The fourth proportional to 578,297.10, 866,414.70 and 493,193.82 is: 738,911.50
Step by Step Solution
- Step 1: Write the proportion equation
578,297.10 : 866,414.70 = 493,193.82 : x - Step 2: Convert to fraction form
578,297.10/866,414.70 = 493,193.82/x - Step 3: Cross multiply
578,297.10x = 866,414.70 × 493,193.82 - Step 4: Simplify right side
578,297.10x = 427,310,375,597.15 - Step 5: Solve for x
x = 427,310,375,597.15/578,297.10 - Step 6: Final answer
x = 738,911.50
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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.