Finding the Fourth Proportional to 894,859.98, 1,341,633.84 and 421,287
Calculator
Solution
The fourth proportional to 894,859.98, 1,341,633.84 and 421,287 is: 631,621.60
Step by Step Solution
- Step 1: Write the proportion equation
894,859.98 : 1,341,633.84 = 421,287 : x - Step 2: Convert to fraction form
894,859.98/1,341,633.84 = 421,287/x - Step 3: Cross multiply
894,859.98x = 1,341,633.84 × 421,287 - Step 4: Simplify right side
894,859.98x = 565,212,895,552.08 - Step 5: Solve for x
x = 565,212,895,552.08/894,859.98 - Step 6: Final answer
x = 631,621.60
Related Problems
Find fourth proportional to 447,429.99, 670,816.92 and 210,643.50
Half scale
Find fourth proportional to 1,789,719.96, 2,683,267.68 and 842,574
Double scale
Find fourth proportional to 894,860.98, 1,341,635.34 and 421,288
Similar ratio
Find fourth proportional to 1,342,289.97, 2,012,450.76 and 631,930.50
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.