Finding the Fourth Proportional to 595,288.62, 821,713.95 and 394,149.42
Calculator
Solution
The fourth proportional to 595,288.62, 821,713.95 and 394,149.42 is: 544,068.99
Step by Step Solution
- Step 1: Write the proportion equation
595,288.62 : 821,713.95 = 394,149.42 : x - Step 2: Convert to fraction form
595,288.62/821,713.95 = 394,149.42/x - Step 3: Cross multiply
595,288.62x = 821,713.95 × 394,149.42 - Step 4: Simplify right side
595,288.62x = 323,878,076,798.41 - Step 5: Solve for x
x = 323,878,076,798.41/595,288.62 - Step 6: Final answer
x = 544,068.99
Related Problems
Find fourth proportional to 297,644.31, 410,856.98 and 197,074.71
Half scale
Find fourth proportional to 1,190,577.24, 1,643,427.90 and 788,298.84
Double scale
Find fourth proportional to 595,289.62, 821,715.33 and 394,150.42
Similar ratio
Find fourth proportional to 892,932.93, 1,232,570.93 and 591,224.13
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.