Finding the Fourth Proportional to 802,596.91, 1,107,554.34 and 440,012.80
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Solution
The fourth proportional to 802,596.91, 1,107,554.34 and 440,012.80 is: 607,201.55
Step by Step Solution
- Step 1: Write the proportion equation
802,596.91 : 1,107,554.34 = 440,012.80 : x - Step 2: Convert to fraction form
802,596.91/1,107,554.34 = 440,012.80/x - Step 3: Cross multiply
802,596.91x = 1,107,554.34 × 440,012.80 - Step 4: Simplify right side
802,596.91x = 487,338,086,295.55 - Step 5: Solve for x
x = 487,338,086,295.55/802,596.91 - Step 6: Final answer
x = 607,201.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.