Finding the Fourth Proportional to 825,361.14, 1,138,994.01 and 462,784.62
Calculator
Solution
The fourth proportional to 825,361.14, 1,138,994.01 and 462,784.62 is: 638,640.33
Step by Step Solution
- Step 1: Write the proportion equation
825,361.14 : 1,138,994.01 = 462,784.62 : x - Step 2: Convert to fraction form
825,361.14/1,138,994.01 = 462,784.62/x - Step 3: Cross multiply
825,361.14x = 1,138,994.01 × 462,784.62 - Step 4: Simplify right side
825,361.14x = 527,108,910,100.13 - Step 5: Solve for x
x = 527,108,910,100.13/825,361.14 - Step 6: Final answer
x = 638,640.33
Related Problems
Find fourth proportional to 412,680.57, 569,497.01 and 231,392.31
Half scale
Find fourth proportional to 1,650,722.28, 2,277,988.02 and 925,569.24
Double scale
Find fourth proportional to 825,362.14, 1,138,995.39 and 462,785.62
Similar ratio
Find fourth proportional to 1,238,041.71, 1,708,491.02 and 694,176.93
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.