Finding the Fourth Proportional to 638,181.80, 957,272.70 and 585,037.70
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Solution
The fourth proportional to 638,181.80, 957,272.70 and 585,037.70 is: 877,556.55
Step by Step Solution
- Step 1: Write the proportion equation
638,181.80 : 957,272.70 = 585,037.70 : x - Step 2: Convert to fraction form
638,181.80/957,272.70 = 585,037.70/x - Step 3: Cross multiply
638,181.80x = 957,272.70 × 585,037.70 - Step 4: Simplify right side
638,181.80x = 560,040,618,680.79 - Step 5: Solve for x
x = 560,040,618,680.79/638,181.80 - Step 6: Final answer
x = 877,556.55
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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.