Finding the Fourth Proportional to 370,303.80, 555,455.70 and 346,975.80
Calculator
Solution
The fourth proportional to 370,303.80, 555,455.70 and 346,975.80 is: 520,463.70
Step by Step Solution
- Step 1: Write the proportion equation
370,303.80 : 555,455.70 = 346,975.80 : x - Step 2: Convert to fraction form
370,303.80/555,455.70 = 346,975.80/x - Step 3: Cross multiply
370,303.80x = 555,455.70 × 346,975.80 - Step 4: Simplify right side
370,303.80x = 192,729,685,872.06 - Step 5: Solve for x
x = 192,729,685,872.06/370,303.80 - Step 6: Final answer
x = 520,463.70
Related Problems
Find fourth proportional to 185,151.90, 277,727.85 and 173,487.90
Half scale
Find fourth proportional to 740,607.60, 1,110,911.40 and 693,951.60
Double scale
Find fourth proportional to 370,304.80, 555,457.20 and 346,976.80
Similar ratio
Find fourth proportional to 555,455.70, 833,183.55 and 520,463.70
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.