Finding the Fourth Proportional to 862,226.17, 1,292,535.06 and 293,218.42
Calculator
Solution
The fourth proportional to 862,226.17, 1,292,535.06 and 293,218.42 is: 439,554.15
Step by Step Solution
- Step 1: Write the proportion equation
862,226.17 : 1,292,535.06 = 293,218.42 : x - Step 2: Convert to fraction form
862,226.17/1,292,535.06 = 293,218.42/x - Step 3: Cross multiply
862,226.17x = 1,292,535.06 × 293,218.42 - Step 4: Simplify right side
862,226.17x = 378,995,088,087.81 - Step 5: Solve for x
x = 378,995,088,087.81/862,226.17 - Step 6: Final answer
x = 439,554.15
Related Problems
Find fourth proportional to 431,113.09, 646,267.53 and 146,609.21
Half scale
Find fourth proportional to 1,724,452.34, 2,585,070.12 and 586,436.84
Double scale
Find fourth proportional to 862,227.17, 1,292,536.56 and 293,219.42
Similar ratio
Find fourth proportional to 1,293,339.26, 1,938,802.59 and 439,827.63
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.