Finding the Fourth Proportional to 1,040,333.49, 1,560,554.24 and 330,417.09
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Solution
The fourth proportional to 1,040,333.49, 1,560,554.24 and 330,417.09 is: 495,642.79
Step by Step Solution
- Step 1: Write the proportion equation
1,040,333.49 : 1,560,554.24 = 330,417.09 : x - Step 2: Convert to fraction form
1,040,333.49/1,560,554.24 = 330,417.09/x - Step 3: Cross multiply
1,040,333.49x = 1,560,554.24 × 330,417.09 - Step 4: Simplify right side
1,040,333.49x = 515,633,789,115.88 - Step 5: Solve for x
x = 515,633,789,115.88/1,040,333.49 - Step 6: Final answer
x = 495,642.79
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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.