Finding the Fourth Proportional to 462,816.47, 693,769.19 and 270,446.75
Calculator
Solution
The fourth proportional to 462,816.47, 693,769.19 and 270,446.75 is: 405,403.95
Step by Step Solution
- Step 1: Write the proportion equation
462,816.47 : 693,769.19 = 270,446.75 : x - Step 2: Convert to fraction form
462,816.47/693,769.19 = 270,446.75/x - Step 3: Cross multiply
462,816.47x = 693,769.19 × 270,446.75 - Step 4: Simplify right side
462,816.47x = 187,627,622,494.54 - Step 5: Solve for x
x = 187,627,622,494.54/462,816.47 - Step 6: Final answer
x = 405,403.95
Related Problems
Find fourth proportional to 231,408.23, 346,884.60 and 135,223.37
Half scale
Find fourth proportional to 925,632.93, 1,387,538.39 and 540,893.50
Double scale
Find fourth proportional to 462,817.47, 693,770.69 and 270,447.75
Similar ratio
Find fourth proportional to 694,224.70, 1,040,653.79 and 405,670.12
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.