Finding the Fourth Proportional to 441,450.96, 660,986.70 and 280,657.26
Calculator
Solution
The fourth proportional to 441,450.96, 660,986.70 and 280,657.26 is: 420,229.50
Step by Step Solution
- Step 1: Write the proportion equation
441,450.96 : 660,986.70 = 280,657.26 : x - Step 2: Convert to fraction form
441,450.96/660,986.70 = 280,657.26/x - Step 3: Cross multiply
441,450.96x = 660,986.70 × 280,657.26 - Step 4: Simplify right side
441,450.96x = 185,510,716,118.44 - Step 5: Solve for x
x = 185,510,716,118.44/441,450.96 - Step 6: Final answer
x = 420,229.50
Related Problems
Find fourth proportional to 220,725.48, 330,493.35 and 140,328.63
Half scale
Find fourth proportional to 882,901.92, 1,321,973.40 and 561,314.52
Double scale
Find fourth proportional to 441,451.96, 660,988.20 and 280,658.26
Similar ratio
Find fourth proportional to 662,176.44, 991,480.05 and 420,985.89
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.