Finding the Fourth Proportional to 694,497.60, 1,040,968.80 and 395,121.60
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Solution
The fourth proportional to 694,497.60, 1,040,968.80 and 395,121.60 is: 592,240.00
Step by Step Solution
- Step 1: Write the proportion equation
694,497.60 : 1,040,968.80 = 395,121.60 : x - Step 2: Convert to fraction form
694,497.60/1,040,968.80 = 395,121.60/x - Step 3: Cross multiply
694,497.60x = 1,040,968.80 × 395,121.60 - Step 4: Simplify right side
694,497.60x = 411,309,257,806.08 - Step 5: Solve for x
x = 411,309,257,806.08/694,497.60 - Step 6: Final answer
x = 592,240.00
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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.