Finding the Fourth Proportional to 496,260.51, 684,619.88 and 305,160.99
Calculator
Solution
The fourth proportional to 496,260.51, 684,619.88 and 305,160.99 is: 420,987.11
Step by Step Solution
- Step 1: Write the proportion equation
496,260.51 : 684,619.88 = 305,160.99 : x - Step 2: Convert to fraction form
496,260.51/684,619.88 = 305,160.99/x - Step 3: Cross multiply
496,260.51x = 684,619.88 × 305,160.99 - Step 4: Simplify right side
496,260.51x = 208,919,278,828.68 - Step 5: Solve for x
x = 208,919,278,828.68/496,260.51 - Step 6: Final answer
x = 420,987.11
Related Problems
Find fourth proportional to 248,130.26, 342,309.94 and 152,580.50
Half scale
Find fourth proportional to 992,521.02, 1,369,239.75 and 610,321.98
Double scale
Find fourth proportional to 496,261.51, 684,621.25 and 305,161.99
Similar ratio
Find fourth proportional to 744,390.77, 1,026,929.81 and 457,741.49
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.