Finding the Fourth Proportional to 544,905.40, 817,358.10 and 394,439.80
Calculator
Solution
The fourth proportional to 544,905.40, 817,358.10 and 394,439.80 is: 591,659.70
Step by Step Solution
- Step 1: Write the proportion equation
544,905.40 : 817,358.10 = 394,439.80 : x - Step 2: Convert to fraction form
544,905.40/817,358.10 = 394,439.80/x - Step 3: Cross multiply
544,905.40x = 817,358.10 × 394,439.80 - Step 4: Simplify right side
544,905.40x = 322,398,565,492.38 - Step 5: Solve for x
x = 322,398,565,492.38/544,905.40 - Step 6: Final answer
x = 591,659.70
Related Problems
Find fourth proportional to 272,452.70, 408,679.05 and 197,219.90
Half scale
Find fourth proportional to 1,089,810.80, 1,634,716.20 and 788,879.60
Double scale
Find fourth proportional to 544,906.40, 817,359.60 and 394,440.80
Similar ratio
Find fourth proportional to 817,358.10, 1,226,037.15 and 591,659.70
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.