Finding the Fourth Proportional to 655,023.77, 982,479.17 and 398,789.99
Calculator
Solution
The fourth proportional to 655,023.77, 982,479.17 and 398,789.99 is: 598,150.59
Step by Step Solution
- Step 1: Write the proportion equation
655,023.77 : 982,479.17 = 398,789.99 : x - Step 2: Convert to fraction form
655,023.77/982,479.17 = 398,789.99/x - Step 3: Cross multiply
655,023.77x = 982,479.17 × 398,789.99 - Step 4: Simplify right side
655,023.77x = 391,802,851,473.16 - Step 5: Solve for x
x = 391,802,851,473.16/655,023.77 - Step 6: Final answer
x = 598,150.59
Related Problems
Find fourth proportional to 327,511.88, 491,239.58 and 199,394.99
Half scale
Find fourth proportional to 1,310,047.53, 1,964,958.33 and 797,579.97
Double scale
Find fourth proportional to 655,024.77, 982,480.66 and 398,790.99
Similar ratio
Find fourth proportional to 982,535.65, 1,473,718.75 and 598,184.98
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.