Finding the Fourth Proportional to 748,249.58, 1,122,540.22 and 215,729.06
Calculator
Solution
The fourth proportional to 748,249.58, 1,122,540.22 and 215,729.06 is: 323,641.41
Step by Step Solution
- Step 1: Write the proportion equation
748,249.58 : 1,122,540.22 = 215,729.06 : x - Step 2: Convert to fraction form
748,249.58/1,122,540.22 = 215,729.06/x - Step 3: Cross multiply
748,249.58x = 1,122,540.22 × 215,729.06 - Step 4: Simplify right side
748,249.58x = 242,164,546,472.79 - Step 5: Solve for x
x = 242,164,546,472.79/748,249.58 - Step 6: Final answer
x = 323,641.41
Related Problems
Find fourth proportional to 374,124.79, 561,270.11 and 107,864.53
Half scale
Find fourth proportional to 1,496,499.16, 2,245,080.44 and 431,458.12
Double scale
Find fourth proportional to 748,250.58, 1,122,541.72 and 215,730.06
Similar ratio
Find fourth proportional to 1,122,374.37, 1,683,810.33 and 323,593.59
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.