Finding the Fourth Proportional to 462,839.83, 638,778.05 and 258,902.08
Calculator
Solution
The fourth proportional to 462,839.83, 638,778.05 and 258,902.08 is: 357,317.92
Step by Step Solution
- Step 1: Write the proportion equation
462,839.83 : 638,778.05 = 258,902.08 : x - Step 2: Convert to fraction form
462,839.83/638,778.05 = 258,902.08/x - Step 3: Cross multiply
462,839.83x = 638,778.05 × 258,902.08 - Step 4: Simplify right side
462,839.83x = 165,380,961,314.94 - Step 5: Solve for x
x = 165,380,961,314.94/462,839.83 - Step 6: Final answer
x = 357,317.92
Related Problems
Find fourth proportional to 231,419.91, 319,389.02 and 129,451.04
Half scale
Find fourth proportional to 925,679.65, 1,277,556.09 and 517,804.15
Double scale
Find fourth proportional to 462,840.83, 638,779.43 and 258,903.08
Similar ratio
Find fourth proportional to 694,259.74, 958,167.07 and 388,353.11
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.