Finding the Fourth Proportional to 846,134.60, 1,269,201.90 and 808,809.80
Calculator
Solution
The fourth proportional to 846,134.60, 1,269,201.90 and 808,809.80 is: 1,213,214.70
Step by Step Solution
- Step 1: Write the proportion equation
846,134.60 : 1,269,201.90 = 808,809.80 : x - Step 2: Convert to fraction form
846,134.60/1,269,201.90 = 808,809.80/x - Step 3: Cross multiply
846,134.60x = 1,269,201.90 × 808,809.80 - Step 4: Simplify right side
846,134.60x = 1,026,542,934,898.62 - Step 5: Solve for x
x = 1,026,542,934,898.62/846,134.60 - Step 6: Final answer
x = 1,213,214.70
Related Problems
Find fourth proportional to 423,067.30, 634,600.95 and 404,404.90
Half scale
Find fourth proportional to 1,692,269.20, 2,538,403.80 and 1,617,619.60
Double scale
Find fourth proportional to 846,135.60, 1,269,203.40 and 808,810.80
Similar ratio
Find fourth proportional to 1,269,201.90, 1,903,802.85 and 1,213,214.70
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.