Finding the Fourth Proportional to 462,545.28, 638,317.44 and 271,560.96
Calculator
Solution
The fourth proportional to 462,545.28, 638,317.44 and 271,560.96 is: 374,757.03
Step by Step Solution
- Step 1: Write the proportion equation
462,545.28 : 638,317.44 = 271,560.96 : x - Step 2: Convert to fraction form
462,545.28/638,317.44 = 271,560.96/x - Step 3: Cross multiply
462,545.28x = 638,317.44 × 271,560.96 - Step 4: Simplify right side
462,545.28x = 173,342,096,791.14 - Step 5: Solve for x
x = 173,342,096,791.14/462,545.28 - Step 6: Final answer
x = 374,757.03
Related Problems
Find fourth proportional to 231,272.64, 319,158.72 and 135,780.48
Half scale
Find fourth proportional to 925,090.56, 1,276,634.88 and 543,121.92
Double scale
Find fourth proportional to 462,546.28, 638,318.82 and 271,561.96
Similar ratio
Find fourth proportional to 693,817.92, 957,476.16 and 407,341.44
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.