Finding the Fourth Proportional to 1,163,135.25, 1,744,702.88 and 321,687
Calculator
Solution
The fourth proportional to 1,163,135.25, 1,744,702.88 and 321,687 is: 482,530.50
Step by Step Solution
- Step 1: Write the proportion equation
1,163,135.25 : 1,744,702.88 = 321,687 : x - Step 2: Convert to fraction form
1,163,135.25/1,744,702.88 = 321,687/x - Step 3: Cross multiply
1,163,135.25x = 1,744,702.88 × 321,687 - Step 4: Simplify right side
1,163,135.25x = 561,248,233,750.13 - Step 5: Solve for x
x = 561,248,233,750.13/1,163,135.25 - Step 6: Final answer
x = 482,530.50
Related Problems
Find fourth proportional to 581,567.63, 872,351.44 and 160,843.50
Half scale
Find fourth proportional to 2,326,270.50, 3,489,405.75 and 643,374
Double scale
Find fourth proportional to 1,163,136.25, 1,744,704.38 and 321,688
Similar ratio
Find fourth proportional to 1,744,702.88, 2,617,054.31 and 482,530.50
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.