Finding the Fourth Proportional to 873,226.44, 1,309,839.66 and 312,226.92
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Solution
The fourth proportional to 873,226.44, 1,309,839.66 and 312,226.92 is: 468,340.38
Step by Step Solution
- Step 1: Write the proportion equation
873,226.44 : 1,309,839.66 = 312,226.92 : x - Step 2: Convert to fraction form
873,226.44/1,309,839.66 = 312,226.92/x - Step 3: Cross multiply
873,226.44x = 1,309,839.66 × 312,226.92 - Step 4: Simplify right side
873,226.44x = 408,967,202,735.65 - Step 5: Solve for x
x = 408,967,202,735.65/873,226.44 - Step 6: Final answer
x = 468,340.38
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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.