Finding the Fourth Proportional to 378,620.64, 567,717.84 and 125,765.76
Calculator
Solution
The fourth proportional to 378,620.64, 567,717.84 and 125,765.76 is: 188,577.85
Step by Step Solution
- Step 1: Write the proportion equation
378,620.64 : 567,717.84 = 125,765.76 : x - Step 2: Convert to fraction form
378,620.64/567,717.84 = 125,765.76/x - Step 3: Cross multiply
378,620.64x = 567,717.84 × 125,765.76 - Step 4: Simplify right side
378,620.64x = 71,399,465,613.16 - Step 5: Solve for x
x = 71,399,465,613.16/378,620.64 - Step 6: Final answer
x = 188,577.85
Related Problems
Find fourth proportional to 189,310.32, 283,858.92 and 62,882.88
Half scale
Find fourth proportional to 757,241.28, 1,135,435.68 and 251,531.52
Double scale
Find fourth proportional to 378,621.64, 567,719.34 and 125,766.76
Similar ratio
Find fourth proportional to 567,930.96, 851,576.76 and 188,648.64
1.5x scale
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.