Finding the Fourth Proportional to 734,628.79, 1,013,732.11 and 412,276.61
Calculator
Solution
The fourth proportional to 734,628.79, 1,013,732.11 and 412,276.61 is: 568,910.50
Step by Step Solution
- Step 1: Write the proportion equation
734,628.79 : 1,013,732.11 = 412,276.61 : x - Step 2: Convert to fraction form
734,628.79/1,013,732.11 = 412,276.61/x - Step 3: Cross multiply
734,628.79x = 1,013,732.11 × 412,276.61 - Step 4: Simplify right side
734,628.79x = 417,938,032,811.16 - Step 5: Solve for x
x = 417,938,032,811.16/734,628.79 - Step 6: Final answer
x = 568,910.50
Related Problems
Find fourth proportional to 367,314.39, 506,866.05 and 206,138.30
Half scale
Find fourth proportional to 1,469,257.57, 2,027,464.22 and 824,553.21
Double scale
Find fourth proportional to 734,629.79, 1,013,733.49 and 412,277.61
Similar ratio
Find fourth proportional to 1,101,943.18, 1,520,598.16 and 618,414.91
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.