Finding the Fourth Proportional to 829,968.24, 1,244,996.49 and 261,393.80
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Solution
The fourth proportional to 829,968.24, 1,244,996.49 and 261,393.80 is: 392,104.60
Step by Step Solution
- Step 1: Write the proportion equation
829,968.24 : 1,244,996.49 = 261,393.80 : x - Step 2: Convert to fraction form
829,968.24/1,244,996.49 = 261,393.80/x - Step 3: Cross multiply
829,968.24x = 1,244,996.49 × 261,393.80 - Step 4: Simplify right side
829,968.24x = 325,434,363,507.76 - Step 5: Solve for x
x = 325,434,363,507.76/829,968.24 - Step 6: Final answer
x = 392,104.60
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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.