Finding the Fourth Proportional to 842,803.98, 1,263,942.45 and 281,707.26
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Solution
The fourth proportional to 842,803.98, 1,263,942.45 and 281,707.26 is: 422,472.81
Step by Step Solution
- Step 1: Write the proportion equation
842,803.98 : 1,263,942.45 = 281,707.26 : x - Step 2: Convert to fraction form
842,803.98/1,263,942.45 = 281,707.26/x - Step 3: Cross multiply
842,803.98x = 1,263,942.45 × 281,707.26 - Step 4: Simplify right side
842,803.98x = 356,061,764,387.19 - Step 5: Solve for x
x = 356,061,764,387.19/842,803.98 - Step 6: Final answer
x = 422,472.81
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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.