Finding the Fourth Proportional to 839,489.12, 1,259,604.66 and 440,034.38
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Solution
The fourth proportional to 839,489.12, 1,259,604.66 and 440,034.38 is: 660,246.03
Step by Step Solution
- Step 1: Write the proportion equation
839,489.12 : 1,259,604.66 = 440,034.38 : x - Step 2: Convert to fraction form
839,489.12/1,259,604.66 = 440,034.38/x - Step 3: Cross multiply
839,489.12x = 1,259,604.66 × 440,034.38 - Step 4: Simplify right side
839,489.12x = 554,269,355,608.21 - Step 5: Solve for x
x = 554,269,355,608.21/839,489.12 - Step 6: Final answer
x = 660,246.03
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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.