Finding the Fourth Proportional to 486,602.66, 729,903.99 and 249,813.74
Calculator
Solution
The fourth proportional to 486,602.66, 729,903.99 and 249,813.74 is: 374,720.60
Step by Step Solution
- Step 1: Write the proportion equation
486,602.66 : 729,903.99 = 249,813.74 : x - Step 2: Convert to fraction form
486,602.66/729,903.99 = 249,813.74/x - Step 3: Cross multiply
486,602.66x = 729,903.99 × 249,813.74 - Step 4: Simplify right side
486,602.66x = 182,340,040,684.23 - Step 5: Solve for x
x = 182,340,040,684.23/486,602.66 - Step 6: Final answer
x = 374,720.60
Related Problems
Find fourth proportional to 243,301.33, 364,951.99 and 124,906.87
Half scale
Find fourth proportional to 973,205.31, 1,459,807.97 and 499,627.47
Double scale
Find fourth proportional to 486,603.66, 729,905.49 and 249,814.74
Similar ratio
Find fourth proportional to 729,903.98, 1,094,855.98 and 374,720.60
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.