Finding the Fourth Proportional to 479,950.72, 661,954.08 and 447,758.08
Calculator
Solution
The fourth proportional to 479,950.72, 661,954.08 and 447,758.08 is: 617,553.59
Step by Step Solution
- Step 1: Write the proportion equation
479,950.72 : 661,954.08 = 447,758.08 : x - Step 2: Convert to fraction form
479,950.72/661,954.08 = 447,758.08/x - Step 3: Cross multiply
479,950.72x = 661,954.08 × 447,758.08 - Step 4: Simplify right side
479,950.72x = 296,395,287,908.97 - Step 5: Solve for x
x = 296,395,287,908.97/479,950.72 - Step 6: Final answer
x = 617,553.59
Related Problems
Find fourth proportional to 239,975.36, 330,977.04 and 223,879.04
Half scale
Find fourth proportional to 959,901.44, 1,323,908.16 and 895,516.16
Double scale
Find fourth proportional to 479,951.72, 661,955.46 and 447,759.08
Similar ratio
Find fourth proportional to 719,926.08, 992,931.12 and 671,637.12
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.