Finding the Fourth Proportional to 771,694.39, 1,064,745.89 and 445,107.25
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Solution
The fourth proportional to 771,694.39, 1,064,745.89 and 445,107.25 is: 614,137.05
Step by Step Solution
- Step 1: Write the proportion equation
771,694.39 : 1,064,745.89 = 445,107.25 : x - Step 2: Convert to fraction form
771,694.39/1,064,745.89 = 445,107.25/x - Step 3: Cross multiply
771,694.39x = 1,064,745.89 × 445,107.25 - Step 4: Simplify right side
771,694.39x = 473,926,109,722.97 - Step 5: Solve for x
x = 473,926,109,722.97/771,694.39 - Step 6: Final answer
x = 614,137.05
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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.