Finding the Fourth Proportional to 754,484.16, 1,131,709.84 and 354,903.48
Calculator
Solution
The fourth proportional to 754,484.16, 1,131,709.84 and 354,903.48 is: 532,347.51
Step by Step Solution
- Step 1: Write the proportion equation
754,484.16 : 1,131,709.84 = 354,903.48 : x - Step 2: Convert to fraction form
754,484.16/1,131,709.84 = 354,903.48/x - Step 3: Cross multiply
754,484.16x = 1,131,709.84 × 354,903.48 - Step 4: Simplify right side
754,484.16x = 401,647,760,566.24 - Step 5: Solve for x
x = 401,647,760,566.24/754,484.16 - Step 6: Final answer
x = 532,347.51
Related Problems
Find fourth proportional to 377,242.08, 565,854.92 and 177,451.74
Half scale
Find fourth proportional to 1,508,968.32, 2,263,419.68 and 709,806.96
Double scale
Find fourth proportional to 754,485.16, 1,131,711.34 and 354,904.48
Similar ratio
Find fourth proportional to 1,131,726.24, 1,697,564.76 and 532,355.22
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.