Finding the Fourth Proportional to 419,620.41, 629,434.94 and 335,912.67
Calculator
Solution
The fourth proportional to 419,620.41, 629,434.94 and 335,912.67 is: 503,872.46
Step by Step Solution
- Step 1: Write the proportion equation
419,620.41 : 629,434.94 = 335,912.67 : x - Step 2: Convert to fraction form
419,620.41/629,434.94 = 335,912.67/x - Step 3: Cross multiply
419,620.41x = 629,434.94 × 335,912.67 - Step 4: Simplify right side
419,620.41x = 211,435,169,607.13 - Step 5: Solve for x
x = 211,435,169,607.13/419,620.41 - Step 6: Final answer
x = 503,872.46
Related Problems
Find fourth proportional to 209,810.21, 314,717.47 and 167,956.34
Half scale
Find fourth proportional to 839,240.82, 1,258,869.87 and 671,825.34
Double scale
Find fourth proportional to 419,621.41, 629,436.44 and 335,913.67
Similar ratio
Find fourth proportional to 629,430.62, 944,152.40 and 503,869.01
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.