Finding the Fourth Proportional to 613,276.20, 919,914.30 and 558,163.80
Calculator
Solution
The fourth proportional to 613,276.20, 919,914.30 and 558,163.80 is: 837,245.70
Step by Step Solution
- Step 1: Write the proportion equation
613,276.20 : 919,914.30 = 558,163.80 : x - Step 2: Convert to fraction form
613,276.20/919,914.30 = 558,163.80/x - Step 3: Cross multiply
613,276.20x = 919,914.30 × 558,163.80 - Step 4: Simplify right side
613,276.20x = 513,462,861,362.34 - Step 5: Solve for x
x = 513,462,861,362.34/613,276.20 - Step 6: Final answer
x = 837,245.70
Related Problems
Find fourth proportional to 306,638.10, 459,957.15 and 279,081.90
Half scale
Find fourth proportional to 1,226,552.40, 1,839,828.60 and 1,116,327.60
Double scale
Find fourth proportional to 613,277.20, 919,915.80 and 558,164.80
Similar ratio
Find fourth proportional to 919,914.30, 1,379,871.45 and 837,245.70
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.