Finding the Fourth Proportional to 827,582.40, 1,240,207.20 and 511,099.20
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Solution
The fourth proportional to 827,582.40, 1,240,207.20 and 511,099.20 is: 765,928.45
Step by Step Solution
- Step 1: Write the proportion equation
827,582.40 : 1,240,207.20 = 511,099.20 : x - Step 2: Convert to fraction form
827,582.40/1,240,207.20 = 511,099.20/x - Step 3: Cross multiply
827,582.40x = 1,240,207.20 × 511,099.20 - Step 4: Simplify right side
827,582.40x = 633,868,907,754.24 - Step 5: Solve for x
x = 633,868,907,754.24/827,582.40 - Step 6: Final answer
x = 765,928.45
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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.