Finding the Fourth Proportional to 892,425.62, 1,339,170.30 and 323,851.08
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Solution
The fourth proportional to 892,425.62, 1,339,170.30 and 323,851.08 is: 485,969.63
Step by Step Solution
- Step 1: Write the proportion equation
892,425.62 : 1,339,170.30 = 323,851.08 : x - Step 2: Convert to fraction form
892,425.62/1,339,170.30 = 323,851.08/x - Step 3: Cross multiply
892,425.62x = 1,339,170.30 × 323,851.08 - Step 4: Simplify right side
892,425.62x = 433,691,752,980.81 - Step 5: Solve for x
x = 433,691,752,980.81/892,425.62 - Step 6: Final answer
x = 485,969.63
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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.