Finding the Fourth Proportional to 762,750.81, 1,145,912.74 and 719,662.79
Calculator
Solution
The fourth proportional to 762,750.81, 1,145,912.74 and 719,662.79 is: 1,081,179.79
Step by Step Solution
- Step 1: Write the proportion equation
762,750.81 : 1,145,912.74 = 719,662.79 : x - Step 2: Convert to fraction form
762,750.81/1,145,912.74 = 719,662.79/x - Step 3: Cross multiply
762,750.81x = 1,145,912.74 × 719,662.79 - Step 4: Simplify right side
762,750.81x = 824,670,760,630.57 - Step 5: Solve for x
x = 824,670,760,630.57/762,750.81 - Step 6: Final answer
x = 1,081,179.79
Related Problems
Find fourth proportional to 381,375.41, 572,956.37 and 359,831.40
Half scale
Find fourth proportional to 1,525,501.62, 2,291,825.48 and 1,439,325.59
Double scale
Find fourth proportional to 762,751.81, 1,145,914.24 and 719,663.79
Similar ratio
Find fourth proportional to 1,144,126.22, 1,718,869.11 and 1,079,494.19
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.