Finding the Fourth Proportional to 471,325.44, 706,988.16 and 388,044.48
Calculator
Solution
The fourth proportional to 471,325.44, 706,988.16 and 388,044.48 is: 582,066.72
Step by Step Solution
- Step 1: Write the proportion equation
471,325.44 : 706,988.16 = 388,044.48 : x - Step 2: Convert to fraction form
471,325.44/706,988.16 = 388,044.48/x - Step 3: Cross multiply
471,325.44x = 706,988.16 × 388,044.48 - Step 4: Simplify right side
471,325.44x = 274,342,852,913.36 - Step 5: Solve for x
x = 274,342,852,913.36/471,325.44 - Step 6: Final answer
x = 582,066.72
Related Problems
Find fourth proportional to 235,662.72, 353,494.08 and 194,022.24
Half scale
Find fourth proportional to 942,650.88, 1,413,976.32 and 776,088.96
Double scale
Find fourth proportional to 471,326.44, 706,989.66 and 388,045.48
Similar ratio
Find fourth proportional to 706,988.16, 1,060,482.24 and 582,066.72
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.