Finding the Fourth Proportional to 446,287.56, 669,544.74 and 126,439.08
Calculator
Solution
The fourth proportional to 446,287.56, 669,544.74 and 126,439.08 is: 189,690.75
Step by Step Solution
- Step 1: Write the proportion equation
446,287.56 : 669,544.74 = 126,439.08 : x - Step 2: Convert to fraction form
446,287.56/669,544.74 = 126,439.08/x - Step 3: Cross multiply
446,287.56x = 669,544.74 × 126,439.08 - Step 4: Simplify right side
446,287.56x = 84,656,620,944.44 - Step 5: Solve for x
x = 84,656,620,944.44/446,287.56 - Step 6: Final answer
x = 189,690.75
Related Problems
Find fourth proportional to 223,143.78, 334,772.37 and 63,219.54
Half scale
Find fourth proportional to 892,575.12, 1,339,089.48 and 252,878.16
Double scale
Find fourth proportional to 446,288.56, 669,546.24 and 126,440.08
Similar ratio
Find fourth proportional to 669,431.34, 1,004,317.11 and 189,658.62
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.