Finding the Fourth Proportional to 823,555.20, 1,235,424.96 and 262,462.08
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Solution
The fourth proportional to 823,555.20, 1,235,424.96 and 262,462.08 is: 393,722.49
Step by Step Solution
- Step 1: Write the proportion equation
823,555.20 : 1,235,424.96 = 262,462.08 : x - Step 2: Convert to fraction form
823,555.20/1,235,424.96 = 262,462.08/x - Step 3: Cross multiply
823,555.20x = 1,235,424.96 × 262,462.08 - Step 4: Simplify right side
823,555.20x = 324,252,204,685.52 - Step 5: Solve for x
x = 324,252,204,685.52/823,555.20 - Step 6: Final answer
x = 393,722.49
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1.5x scale
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.