Finding the Fourth Proportional to 446,965.40, 670,448.10 and 305,247.80
Calculator
Solution
The fourth proportional to 446,965.40, 670,448.10 and 305,247.80 is: 457,871.70
Step by Step Solution
- Step 1: Write the proportion equation
446,965.40 : 670,448.10 = 305,247.80 : x - Step 2: Convert to fraction form
446,965.40/670,448.10 = 305,247.80/x - Step 3: Cross multiply
446,965.40x = 670,448.10 × 305,247.80 - Step 4: Simplify right side
446,965.40x = 204,652,807,539.18 - Step 5: Solve for x
x = 204,652,807,539.18/446,965.40 - Step 6: Final answer
x = 457,871.70
Related Problems
Find fourth proportional to 223,482.70, 335,224.05 and 152,623.90
Half scale
Find fourth proportional to 893,930.80, 1,340,896.20 and 610,495.60
Double scale
Find fourth proportional to 446,966.40, 670,449.60 and 305,248.80
Similar ratio
Find fourth proportional to 670,448.10, 1,005,672.15 and 457,871.70
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.