Finding the Fourth Proportional to 582,121.80, 873,182.70 and 512,137.80
Calculator
Solution
The fourth proportional to 582,121.80, 873,182.70 and 512,137.80 is: 768,206.70
Step by Step Solution
- Step 1: Write the proportion equation
582,121.80 : 873,182.70 = 512,137.80 : x - Step 2: Convert to fraction form
582,121.80/873,182.70 = 512,137.80/x - Step 3: Cross multiply
582,121.80x = 873,182.70 × 512,137.80 - Step 4: Simplify right side
582,121.80x = 447,189,866,976.06 - Step 5: Solve for x
x = 447,189,866,976.06/582,121.80 - Step 6: Final answer
x = 768,206.70
Related Problems
Find fourth proportional to 291,060.90, 436,591.35 and 256,068.90
Half scale
Find fourth proportional to 1,164,243.60, 1,746,365.40 and 1,024,275.60
Double scale
Find fourth proportional to 582,122.80, 873,184.20 and 512,138.80
Similar ratio
Find fourth proportional to 873,182.70, 1,309,774.05 and 768,206.70
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.