Finding the Fourth Proportional to 441,728.79, 609,569.12 and 269,934.02
Calculator
Solution
The fourth proportional to 441,728.79, 609,569.12 and 269,934.02 is: 372,498.80
Step by Step Solution
- Step 1: Write the proportion equation
441,728.79 : 609,569.12 = 269,934.02 : x - Step 2: Convert to fraction form
441,728.79/609,569.12 = 269,934.02/x - Step 3: Cross multiply
441,728.79x = 609,569.12 × 269,934.02 - Step 4: Simplify right side
441,728.79x = 164,543,443,029.46 - Step 5: Solve for x
x = 164,543,443,029.46/441,728.79 - Step 6: Final answer
x = 372,498.80
Related Problems
Find fourth proportional to 220,864.40, 304,784.56 and 134,967.01
Half scale
Find fourth proportional to 883,457.58, 1,219,138.24 and 539,868.04
Double scale
Find fourth proportional to 441,729.79, 609,570.50 and 269,935.02
Similar ratio
Find fourth proportional to 662,593.19, 914,353.68 and 404,901.03
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.