Finding the Fourth Proportional to 635,864.49, 954,606.08 and 412,161.02
Calculator
Solution
The fourth proportional to 635,864.49, 954,606.08 and 412,161.02 is: 618,766.14
Step by Step Solution
- Step 1: Write the proportion equation
635,864.49 : 954,606.08 = 412,161.02 : x - Step 2: Convert to fraction form
635,864.49/954,606.08 = 412,161.02/x - Step 3: Cross multiply
635,864.49x = 954,606.08 × 412,161.02 - Step 4: Simplify right side
635,864.49x = 393,451,415,468.15 - Step 5: Solve for x
x = 393,451,415,468.15/635,864.49 - Step 6: Final answer
x = 618,766.14
Related Problems
Find fourth proportional to 317,932.25, 477,303.04 and 206,080.51
Half scale
Find fourth proportional to 1,271,728.98, 1,909,212.17 and 824,322.04
Double scale
Find fourth proportional to 635,865.49, 954,607.58 and 412,162.02
Similar ratio
Find fourth proportional to 953,796.74, 1,431,909.12 and 618,241.53
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.