Finding the Fourth Proportional to 768,961.44, 1,152,716.40 and 369,828
Calculator
Solution
The fourth proportional to 768,961.44, 1,152,716.40 and 369,828 is: 554,392.95
Step by Step Solution
- Step 1: Write the proportion equation
768,961.44 : 1,152,716.40 = 369,828 : x - Step 2: Convert to fraction form
768,961.44/1,152,716.40 = 369,828/x - Step 3: Cross multiply
768,961.44x = 1,152,716.40 × 369,828 - Step 4: Simplify right side
768,961.44x = 426,306,800,779.20 - Step 5: Solve for x
x = 426,306,800,779.20/768,961.44 - Step 6: Final answer
x = 554,392.95
Related Problems
Find fourth proportional to 384,480.72, 576,358.20 and 184,914
Half scale
Find fourth proportional to 1,537,922.88, 2,305,432.80 and 739,656
Double scale
Find fourth proportional to 768,962.44, 1,152,717.90 and 369,829
Similar ratio
Find fourth proportional to 1,153,442.16, 1,729,074.60 and 554,742
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.