Finding the Fourth Proportional to 385,736.02, 578,052.71 and 216,902.00
Calculator
Solution
The fourth proportional to 385,736.02, 578,052.71 and 216,902.00 is: 325,042.99
Step by Step Solution
- Step 1: Write the proportion equation
385,736.02 : 578,052.71 = 216,902.00 : x - Step 2: Convert to fraction form
385,736.02/578,052.71 = 216,902.00/x - Step 3: Cross multiply
385,736.02x = 578,052.71 × 216,902.00 - Step 4: Simplify right side
385,736.02x = 125,380,786,556.41 - Step 5: Solve for x
x = 125,380,786,556.41/385,736.02 - Step 6: Final answer
x = 325,042.99
Related Problems
Find fourth proportional to 192,868.01, 289,026.36 and 108,451.00
Half scale
Find fourth proportional to 771,472.04, 1,156,105.43 and 433,803.99
Double scale
Find fourth proportional to 385,737.02, 578,054.21 and 216,903
Similar ratio
Find fourth proportional to 578,604.03, 867,079.07 and 325,352.99
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.