Finding the Fourth Proportional to 968,815.86, 1,451,895.18 and 613,195.08
Calculator
Solution
The fourth proportional to 968,815.86, 1,451,895.18 and 613,195.08 is: 918,951.69
Step by Step Solution
- Step 1: Write the proportion equation
968,815.86 : 1,451,895.18 = 613,195.08 : x - Step 2: Convert to fraction form
968,815.86/1,451,895.18 = 613,195.08/x - Step 3: Cross multiply
968,815.86x = 1,451,895.18 × 613,195.08 - Step 4: Simplify right side
968,815.86x = 890,294,970,726.26 - Step 5: Solve for x
x = 890,294,970,726.26/968,815.86 - Step 6: Final answer
x = 918,951.69
Related Problems
Find fourth proportional to 484,407.93, 725,947.59 and 306,597.54
Half scale
Find fourth proportional to 1,937,631.71, 2,903,790.35 and 1,226,390.15
Double scale
Find fourth proportional to 968,816.86, 1,451,896.67 and 613,196.08
Similar ratio
Find fourth proportional to 1,453,223.78, 2,177,842.76 and 919,792.61
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.