Finding the Fourth Proportional to 720,418.01, 1,080,626.99 and 271,239.65
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Solution
The fourth proportional to 720,418.01, 1,080,626.99 and 271,239.65 is: 406,859.47
Step by Step Solution
- Step 1: Write the proportion equation
720,418.01 : 1,080,626.99 = 271,239.65 : x - Step 2: Convert to fraction form
720,418.01/1,080,626.99 = 271,239.65/x - Step 3: Cross multiply
720,418.01x = 1,080,626.99 × 271,239.65 - Step 4: Simplify right side
720,418.01x = 293,108,886,548.15 - Step 5: Solve for x
x = 293,108,886,548.15/720,418.01 - Step 6: Final answer
x = 406,859.47
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1.5x scale
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.