Finding the Fourth Proportional to 586,728.80, 880,438.80 and 212,703.20
Calculator
Solution
The fourth proportional to 586,728.80, 880,438.80 and 212,703.20 is: 319,180.09
Step by Step Solution
- Step 1: Write the proportion equation
586,728.80 : 880,438.80 = 212,703.20 : x - Step 2: Convert to fraction form
586,728.80/880,438.80 = 212,703.20/x - Step 3: Cross multiply
586,728.80x = 880,438.80 × 212,703.20 - Step 4: Simplify right side
586,728.80x = 187,272,150,164.16 - Step 5: Solve for x
x = 187,272,150,164.16/586,728.80 - Step 6: Final answer
x = 319,180.09
Related Problems
Find fourth proportional to 293,364.40, 440,219.40 and 106,351.60
Half scale
Find fourth proportional to 1,173,457.60, 1,760,877.60 and 425,406.40
Double scale
Find fourth proportional to 586,729.80, 880,440.30 and 212,704.20
Similar ratio
Find fourth proportional to 880,093.20, 1,320,658.20 and 319,054.80
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.