Finding the Fourth Proportional to 885,868.56, 1,328,977.92 and 324,907.92
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Solution
The fourth proportional to 885,868.56, 1,328,977.92 and 324,907.92 is: 487,426.09
Step by Step Solution
- Step 1: Write the proportion equation
885,868.56 : 1,328,977.92 = 324,907.92 : x - Step 2: Convert to fraction form
885,868.56/1,328,977.92 = 324,907.92/x - Step 3: Cross multiply
885,868.56x = 1,328,977.92 × 324,907.92 - Step 4: Simplify right side
885,868.56x = 431,795,451,713.13 - Step 5: Solve for x
x = 431,795,451,713.13/885,868.56 - Step 6: Final answer
x = 487,426.09
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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.