Finding the Fourth Proportional to 483,657.88, 725,485.74 and 128,671.96
Calculator
Solution
The fourth proportional to 483,657.88, 725,485.74 and 128,671.96 is: 193,007.65
Step by Step Solution
- Step 1: Write the proportion equation
483,657.88 : 725,485.74 = 128,671.96 : x - Step 2: Convert to fraction form
483,657.88/725,485.74 = 128,671.96/x - Step 3: Cross multiply
483,657.88x = 725,485.74 × 128,671.96 - Step 4: Simplify right side
483,657.88x = 93,349,672,117.85 - Step 5: Solve for x
x = 93,349,672,117.85/483,657.88 - Step 6: Final answer
x = 193,007.65
Related Problems
Find fourth proportional to 241,828.94, 362,742.87 and 64,335.98
Half scale
Find fourth proportional to 967,315.76, 1,450,971.48 and 257,343.92
Double scale
Find fourth proportional to 483,658.88, 725,487.24 and 128,672.96
Similar ratio
Find fourth proportional to 725,486.82, 1,088,228.61 and 193,007.94
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.