Finding the Fourth Proportional to 541,934.68, 812,981.22 and 261,221.08
Calculator
Solution
The fourth proportional to 541,934.68, 812,981.22 and 261,221.08 is: 391,869.80
Step by Step Solution
- Step 1: Write the proportion equation
541,934.68 : 812,981.22 = 261,221.08 : x - Step 2: Convert to fraction form
541,934.68/812,981.22 = 261,221.08/x - Step 3: Cross multiply
541,934.68x = 812,981.22 × 261,221.08 - Step 4: Simplify right side
541,934.68x = 212,367,832,308.12 - Step 5: Solve for x
x = 212,367,832,308.12/541,934.68 - Step 6: Final answer
x = 391,869.80
Related Problems
Find fourth proportional to 270,967.34, 406,490.61 and 130,610.54
Half scale
Find fourth proportional to 1,083,869.36, 1,625,962.44 and 522,442.16
Double scale
Find fourth proportional to 541,935.68, 812,982.72 and 261,222.08
Similar ratio
Find fourth proportional to 812,902.02, 1,219,471.83 and 391,831.62
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.