Finding the Fourth Proportional to 801,857.36, 1,106,563.08 and 479,567.42
Calculator
Solution
The fourth proportional to 801,857.36, 1,106,563.08 and 479,567.42 is: 661,802.99
Step by Step Solution
- Step 1: Write the proportion equation
801,857.36 : 1,106,563.08 = 479,567.42 : x - Step 2: Convert to fraction form
801,857.36/1,106,563.08 = 479,567.42/x - Step 3: Cross multiply
801,857.36x = 1,106,563.08 × 479,567.42 - Step 4: Simplify right side
801,857.36x = 530,671,601,342.85 - Step 5: Solve for x
x = 530,671,601,342.85/801,857.36 - Step 6: Final answer
x = 661,802.99
Related Problems
Find fourth proportional to 400,928.68, 553,281.54 and 239,783.71
Half scale
Find fourth proportional to 1,603,714.72, 2,213,126.16 and 959,134.84
Double scale
Find fourth proportional to 801,858.36, 1,106,564.46 and 479,568.42
Similar ratio
Find fourth proportional to 1,202,786.04, 1,659,844.62 and 719,351.13
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.