Finding the Fourth Proportional to 462,835.94, 637,571.94 and 394,630.70
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Solution
The fourth proportional to 462,835.94, 637,571.94 and 394,630.70 is: 543,616.95
Step by Step Solution
- Step 1: Write the proportion equation
462,835.94 : 637,571.94 = 394,630.70 : x - Step 2: Convert to fraction form
462,835.94/637,571.94 = 394,630.70/x - Step 3: Cross multiply
462,835.94x = 637,571.94 × 394,630.70 - Step 4: Simplify right side
462,835.94x = 251,605,460,982.56 - Step 5: Solve for x
x = 251,605,460,982.56/462,835.94 - Step 6: Final answer
x = 543,616.95
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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.