Finding the Fourth Proportional to 804,964.13, 1,207,487.55 and 205,930.49
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Solution
The fourth proportional to 804,964.13, 1,207,487.55 and 205,930.49 is: 308,906.31
Step by Step Solution
- Step 1: Write the proportion equation
804,964.13 : 1,207,487.55 = 205,930.49 : x - Step 2: Convert to fraction form
804,964.13/1,207,487.55 = 205,930.49/x - Step 3: Cross multiply
804,964.13x = 1,207,487.55 × 205,930.49 - Step 4: Simplify right side
804,964.13x = 248,658,497,575.20 - Step 5: Solve for x
x = 248,658,497,575.20/804,964.13 - Step 6: Final answer
x = 308,906.31
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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.