Finding the Fourth Proportional to 576,731.80, 865,097.70 and 327,899.80
Calculator
Solution
The fourth proportional to 576,731.80, 865,097.70 and 327,899.80 is: 491,849.70
Step by Step Solution
- Step 1: Write the proportion equation
576,731.80 : 865,097.70 = 327,899.80 : x - Step 2: Convert to fraction form
576,731.80/865,097.70 = 327,899.80/x - Step 3: Cross multiply
576,731.80x = 865,097.70 × 327,899.80 - Step 4: Simplify right side
576,731.80x = 283,665,362,810.46 - Step 5: Solve for x
x = 283,665,362,810.46/576,731.80 - Step 6: Final answer
x = 491,849.70
Related Problems
Find fourth proportional to 288,365.90, 432,548.85 and 163,949.90
Half scale
Find fourth proportional to 1,153,463.60, 1,730,195.40 and 655,799.60
Double scale
Find fourth proportional to 576,732.80, 865,099.20 and 327,900.80
Similar ratio
Find fourth proportional to 865,097.70, 1,297,646.55 and 491,849.70
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.