Finding the Fourth Proportional to 1,388,297.20, 2,082,778.44 and 477,464.08
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Solution
The fourth proportional to 1,388,297.20, 2,082,778.44 and 477,464.08 is: 716,310.52
Step by Step Solution
- Step 1: Write the proportion equation
1,388,297.20 : 2,082,778.44 = 477,464.08 : x - Step 2: Convert to fraction form
1,388,297.20/2,082,778.44 = 477,464.08/x - Step 3: Cross multiply
1,388,297.20x = 2,082,778.44 × 477,464.08 - Step 4: Simplify right side
1,388,297.20x = 994,451,891,698.44 - Step 5: Solve for x
x = 994,451,891,698.44/1,388,297.20 - Step 6: Final answer
x = 716,310.52
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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.