Finding the Fourth Proportional to 899,348.36, 1,241,103.99 and 491,450.21
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Solution
The fourth proportional to 899,348.36, 1,241,103.99 and 491,450.21 is: 678,203.06
Step by Step Solution
- Step 1: Write the proportion equation
899,348.36 : 1,241,103.99 = 491,450.21 : x - Step 2: Convert to fraction form
899,348.36/1,241,103.99 = 491,450.21/x - Step 3: Cross multiply
899,348.36x = 1,241,103.99 × 491,450.21 - Step 4: Simplify right side
899,348.36x = 609,940,810,311.82 - Step 5: Solve for x
x = 609,940,810,311.82/899,348.36 - Step 6: Final answer
x = 678,203.06
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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.