Finding the Fourth Proportional to 980,987.97, 1,471,467.36 and 271,000.29
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Solution
The fourth proportional to 980,987.97, 1,471,467.36 and 271,000.29 is: 406,496.40
Step by Step Solution
- Step 1: Write the proportion equation
980,987.97 : 1,471,467.36 = 271,000.29 : x - Step 2: Convert to fraction form
980,987.97/1,471,467.36 = 271,000.29/x - Step 3: Cross multiply
980,987.97x = 1,471,467.36 × 271,000.29 - Step 4: Simplify right side
980,987.97x = 398,768,081,285.53 - Step 5: Solve for x
x = 398,768,081,285.53/980,987.97 - Step 6: Final answer
x = 406,496.40
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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.