Finding the Fourth Proportional to 801,722.99, 1,202,640.60 and 321,950.78
Calculator
Solution
The fourth proportional to 801,722.99, 1,202,640.60 and 321,950.78 is: 482,948.70
Step by Step Solution
- Step 1: Write the proportion equation
801,722.99 : 1,202,640.60 = 321,950.78 : x - Step 2: Convert to fraction form
801,722.99/1,202,640.60 = 321,950.78/x - Step 3: Cross multiply
801,722.99x = 1,202,640.60 × 321,950.78 - Step 4: Simplify right side
801,722.99x = 387,191,078,933.68 - Step 5: Solve for x
x = 387,191,078,933.68/801,722.99 - Step 6: Final answer
x = 482,948.70
Related Problems
Find fourth proportional to 400,861.50, 601,320.30 and 160,975.39
Half scale
Find fourth proportional to 1,603,445.99, 2,405,281.21 and 643,901.56
Double scale
Find fourth proportional to 801,723.99, 1,202,642.10 and 321,951.78
Similar ratio
Find fourth proportional to 1,202,584.49, 1,803,960.91 and 482,926.17
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.