Finding the Fourth Proportional to 940,858.97, 1,298,394.50 and 511,142.18
Calculator
Solution
The fourth proportional to 940,858.97, 1,298,394.50 and 511,142.18 is: 705,381.16
Step by Step Solution
- Step 1: Write the proportion equation
940,858.97 : 1,298,394.50 = 511,142.18 : x - Step 2: Convert to fraction form
940,858.97/1,298,394.50 = 511,142.18/x - Step 3: Cross multiply
940,858.97x = 1,298,394.50 × 511,142.18 - Step 4: Simplify right side
940,858.97x = 663,664,186,182.33 - Step 5: Solve for x
x = 663,664,186,182.33/940,858.97 - Step 6: Final answer
x = 705,381.16
Related Problems
Find fourth proportional to 470,429.48, 649,197.25 and 255,571.09
Half scale
Find fourth proportional to 1,881,717.93, 2,596,788.99 and 1,022,284.35
Double scale
Find fourth proportional to 940,859.97, 1,298,395.88 and 511,143.18
Similar ratio
Find fourth proportional to 1,411,288.45, 1,947,591.74 and 766,713.26
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.