Finding the Fourth Proportional to 725,193.28, 1,087,416.08 and 325,491.44
Calculator
Solution
The fourth proportional to 725,193.28, 1,087,416.08 and 325,491.44 is: 488,069.37
Step by Step Solution
- Step 1: Write the proportion equation
725,193.28 : 1,087,416.08 = 325,491.44 : x - Step 2: Convert to fraction form
725,193.28/1,087,416.08 = 325,491.44/x - Step 3: Cross multiply
725,193.28x = 1,087,416.08 × 325,491.44 - Step 4: Simplify right side
725,193.28x = 353,944,625,758.36 - Step 5: Solve for x
x = 353,944,625,758.36/725,193.28 - Step 6: Final answer
x = 488,069.37
Related Problems
Find fourth proportional to 362,596.64, 543,708.04 and 162,745.72
Half scale
Find fourth proportional to 1,450,386.56, 2,174,832.16 and 650,982.88
Double scale
Find fourth proportional to 725,194.28, 1,087,417.58 and 325,492.44
Similar ratio
Find fourth proportional to 1,087,789.92, 1,631,124.12 and 488,237.16
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.