Finding the Fourth Proportional to 488,706.09, 674,413.50 and 297,719.49
Calculator
Solution
The fourth proportional to 488,706.09, 674,413.50 and 297,719.49 is: 410,852.35
Step by Step Solution
- Step 1: Write the proportion equation
488,706.09 : 674,413.50 = 297,719.49 : x - Step 2: Convert to fraction form
488,706.09/674,413.50 = 297,719.49/x - Step 3: Cross multiply
488,706.09x = 674,413.50 × 297,719.49 - Step 4: Simplify right side
488,706.09x = 200,786,043,269.12 - Step 5: Solve for x
x = 200,786,043,269.12/488,706.09 - Step 6: Final answer
x = 410,852.35
Related Problems
Find fourth proportional to 244,353.05, 337,206.75 and 148,859.75
Half scale
Find fourth proportional to 977,412.18, 1,348,827 and 595,438.98
Double scale
Find fourth proportional to 488,707.09, 674,414.88 and 297,720.49
Similar ratio
Find fourth proportional to 733,059.14, 1,011,620.25 and 446,579.24
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.