Finding the Fourth Proportional to 622,791.83, 930,775.20 and 454,666.20
Calculator
Solution
The fourth proportional to 622,791.83, 930,775.20 and 454,666.20 is: 679,507.99
Step by Step Solution
- Step 1: Write the proportion equation
622,791.83 : 930,775.20 = 454,666.20 : x - Step 2: Convert to fraction form
622,791.83/930,775.20 = 454,666.20/x - Step 3: Cross multiply
622,791.83x = 930,775.20 × 454,666.20 - Step 4: Simplify right side
622,791.83x = 423,192,023,238.24 - Step 5: Solve for x
x = 423,192,023,238.24/622,791.83 - Step 6: Final answer
x = 679,507.99
Related Problems
Find fourth proportional to 311,395.91, 465,387.60 and 227,333.10
Half scale
Find fourth proportional to 1,245,583.65, 1,861,550.40 and 909,332.40
Double scale
Find fourth proportional to 622,792.83, 930,776.69 and 454,667.20
Similar ratio
Find fourth proportional to 934,187.74, 1,396,162.80 and 681,999.30
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.