Finding the Fourth Proportional to 857,758.20, 1,183,848.26 and 475,908
Calculator
Solution
The fourth proportional to 857,758.20, 1,183,848.26 and 475,908 is: 656,831.79
Step by Step Solution
- Step 1: Write the proportion equation
857,758.20 : 1,183,848.26 = 475,908 : x - Step 2: Convert to fraction form
857,758.20/1,183,848.26 = 475,908/x - Step 3: Cross multiply
857,758.20x = 1,183,848.26 × 475,908 - Step 4: Simplify right side
857,758.20x = 563,402,857,720.08 - Step 5: Solve for x
x = 563,402,857,720.08/857,758.20 - Step 6: Final answer
x = 656,831.79
Related Problems
Find fourth proportional to 428,879.10, 591,924.13 and 237,954
Half scale
Find fourth proportional to 1,715,516.40, 2,367,696.52 and 951,816
Double scale
Find fourth proportional to 857,759.20, 1,183,849.64 and 475,909
Similar ratio
Find fourth proportional to 1,286,637.30, 1,775,772.39 and 713,862
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.