Finding the Fourth Proportional to 374,879.70, 562,319.55 and 217,415.70
Calculator
Solution
The fourth proportional to 374,879.70, 562,319.55 and 217,415.70 is: 326,123.55
Step by Step Solution
- Step 1: Write the proportion equation
374,879.70 : 562,319.55 = 217,415.70 : x - Step 2: Convert to fraction form
374,879.70/562,319.55 = 217,415.70/x - Step 3: Cross multiply
374,879.70x = 562,319.55 × 217,415.70 - Step 4: Simplify right side
374,879.70x = 122,257,098,586.94 - Step 5: Solve for x
x = 122,257,098,586.94/374,879.70 - Step 6: Final answer
x = 326,123.55
Related Problems
Find fourth proportional to 187,439.85, 281,159.78 and 108,707.85
Half scale
Find fourth proportional to 749,759.40, 1,124,639.10 and 434,831.40
Double scale
Find fourth proportional to 374,880.70, 562,321.05 and 217,416.70
Similar ratio
Find fourth proportional to 562,319.55, 843,479.33 and 326,123.55
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.