Finding the Fourth Proportional to 939,962.58, 1,297,150 and 510,243
Calculator
Solution
The fourth proportional to 939,962.58, 1,297,150 and 510,243 is: 704,136.23
Step by Step Solution
- Step 1: Write the proportion equation
939,962.58 : 1,297,150 = 510,243 : x - Step 2: Convert to fraction form
939,962.58/1,297,150 = 510,243/x - Step 3: Cross multiply
939,962.58x = 1,297,150 × 510,243 - Step 4: Simplify right side
939,962.58x = 661,861,707,450 - Step 5: Solve for x
x = 661,861,707,450/939,962.58 - Step 6: Final answer
x = 704,136.23
Related Problems
Find fourth proportional to 469,981.29, 648,575 and 255,121.50
Half scale
Find fourth proportional to 1,879,925.16, 2,594,300 and 1,020,486
Double scale
Find fourth proportional to 939,963.58, 1,297,151.38 and 510,244
Similar ratio
Find fourth proportional to 1,409,943.87, 1,945,725 and 765,364.50
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.