Finding the Fourth Proportional to 774,405.36, 1,161,666.36 and 213,435
Calculator
Solution
The fourth proportional to 774,405.36, 1,161,666.36 and 213,435 is: 320,168.57
Step by Step Solution
- Step 1: Write the proportion equation
774,405.36 : 1,161,666.36 = 213,435 : x - Step 2: Convert to fraction form
774,405.36/1,161,666.36 = 213,435/x - Step 3: Cross multiply
774,405.36x = 1,161,666.36 × 213,435 - Step 4: Simplify right side
774,405.36x = 247,940,259,546.60 - Step 5: Solve for x
x = 247,940,259,546.60/774,405.36 - Step 6: Final answer
x = 320,168.57
Related Problems
Find fourth proportional to 387,202.68, 580,833.18 and 106,717.50
Half scale
Find fourth proportional to 1,548,810.72, 2,323,332.72 and 426,870
Double scale
Find fourth proportional to 774,406.36, 1,161,667.86 and 213,436
Similar ratio
Find fourth proportional to 1,161,608.04, 1,742,499.54 and 320,152.50
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.