Finding the Fourth Proportional to 824,518.23, 1,236,744.99 and 344,622.08
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Solution
The fourth proportional to 824,518.23, 1,236,744.99 and 344,622.08 is: 516,919.60
Step by Step Solution
- Step 1: Write the proportion equation
824,518.23 : 1,236,744.99 = 344,622.08 : x - Step 2: Convert to fraction form
824,518.23/1,236,744.99 = 344,622.08/x - Step 3: Cross multiply
824,518.23x = 1,236,744.99 × 344,622.08 - Step 4: Simplify right side
824,518.23x = 426,209,633,975.24 - Step 5: Solve for x
x = 426,209,633,975.24/824,518.23 - Step 6: Final answer
x = 516,919.60
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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.