Finding the Fourth Proportional to 424,936.80, 637,750.80 and 411,112.80
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Solution
The fourth proportional to 424,936.80, 637,750.80 and 411,112.80 is: 617,003.56
Step by Step Solution
- Step 1: Write the proportion equation
424,936.80 : 637,750.80 = 411,112.80 : x - Step 2: Convert to fraction form
424,936.80/637,750.80 = 411,112.80/x - Step 3: Cross multiply
424,936.80x = 637,750.80 × 411,112.80 - Step 4: Simplify right side
424,936.80x = 262,187,517,090.24 - Step 5: Solve for x
x = 262,187,517,090.24/424,936.80 - Step 6: Final answer
x = 617,003.56
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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.