Finding the Fourth Proportional to 633,651.55, 874,405.70 and 361,708.63
Calculator
Solution
The fourth proportional to 633,651.55, 874,405.70 and 361,708.63 is: 499,138.82
Step by Step Solution
- Step 1: Write the proportion equation
633,651.55 : 874,405.70 = 361,708.63 : x - Step 2: Convert to fraction form
633,651.55/874,405.70 = 361,708.63/x - Step 3: Cross multiply
633,651.55x = 874,405.70 × 361,708.63 - Step 4: Simplify right side
633,651.55x = 316,280,085,173.04 - Step 5: Solve for x
x = 316,280,085,173.04/633,651.55 - Step 6: Final answer
x = 499,138.82
Related Problems
Find fourth proportional to 316,825.77, 437,202.85 and 180,854.31
Half scale
Find fourth proportional to 1,267,303.10, 1,748,811.40 and 723,417.26
Double scale
Find fourth proportional to 633,652.55, 874,407.08 and 361,709.63
Similar ratio
Find fourth proportional to 950,477.32, 1,311,608.55 and 542,562.94
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.