Finding the Fourth Proportional to 603,505.62, 905,356.41 and 204,170.70
Calculator
Solution
The fourth proportional to 603,505.62, 905,356.41 and 204,170.70 is: 306,289.20
Step by Step Solution
- Step 1: Write the proportion equation
603,505.62 : 905,356.41 = 204,170.70 : x - Step 2: Convert to fraction form
603,505.62/905,356.41 = 204,170.70/x - Step 3: Cross multiply
603,505.62x = 905,356.41 × 204,170.70 - Step 4: Simplify right side
603,505.62x = 184,847,251,979.19 - Step 5: Solve for x
x = 184,847,251,979.19/603,505.62 - Step 6: Final answer
x = 306,289.20
Related Problems
Find fourth proportional to 301,752.81, 452,678.21 and 102,085.35
Half scale
Find fourth proportional to 1,207,011.24, 1,810,712.82 and 408,341.40
Double scale
Find fourth proportional to 603,506.62, 905,357.91 and 204,171.70
Similar ratio
Find fourth proportional to 905,258.43, 1,358,034.62 and 306,256.05
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.