Finding the Fourth Proportional to 595.98, 892.71 and 486.60
Calculator
Solution
The fourth proportional to 595.98, 892.71 and 486.60 is: 728.87
Step by Step Solution
- Step 1: Write the proportion equation
595.98 : 892.71 = 486.60 : x - Step 2: Convert to fraction form
595.98/892.71 = 486.60/x - Step 3: Cross multiply
595.98x = 892.71 × 486.60 - Step 4: Simplify right side
595.98x = 434,392.69 - Step 5: Solve for x
x = 434,392.69/595.98 - Step 6: Final answer
x = 728.87
Related Problems
Find fourth proportional to 297.99, 446.36 and 243.30
Half scale
Find fourth proportional to 1,191.96, 1,785.42 and 973.20
Double scale
Find fourth proportional to 596.98, 894.21 and 487.60
Similar ratio
Find fourth proportional to 893.97, 1,339.07 and 729.90
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.