Finding the Fourth Proportional to 508,896.80, 763,114.80 and 193,248.80
Calculator
Solution
The fourth proportional to 508,896.80, 763,114.80 and 193,248.80 is: 289,785.71
Step by Step Solution
- Step 1: Write the proportion equation
508,896.80 : 763,114.80 = 193,248.80 : x - Step 2: Convert to fraction form
508,896.80/763,114.80 = 193,248.80/x - Step 3: Cross multiply
508,896.80x = 763,114.80 × 193,248.80 - Step 4: Simplify right side
508,896.80x = 147,471,019,362.24 - Step 5: Solve for x
x = 147,471,019,362.24/508,896.80 - Step 6: Final answer
x = 289,785.71
Related Problems
Find fourth proportional to 254,448.40, 381,557.40 and 96,624.40
Half scale
Find fourth proportional to 1,017,793.60, 1,526,229.60 and 386,497.60
Double scale
Find fourth proportional to 508,897.80, 763,116.30 and 193,249.80
Similar ratio
Find fourth proportional to 763,345.20, 1,144,672.20 and 289,873.20
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.