Finding the Fourth Proportional to 864,571.28, 1,193,361.75 and 502,158.05
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Solution
The fourth proportional to 864,571.28, 1,193,361.75 and 502,158.05 is: 693,125.28
Step by Step Solution
- Step 1: Write the proportion equation
864,571.28 : 1,193,361.75 = 502,158.05 : x - Step 2: Convert to fraction form
864,571.28/1,193,361.75 = 502,158.05/x - Step 3: Cross multiply
864,571.28x = 1,193,361.75 × 502,158.05 - Step 4: Simplify right side
864,571.28x = 599,256,209,324.59 - Step 5: Solve for x
x = 599,256,209,324.59/864,571.28 - Step 6: Final answer
x = 693,125.28
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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.