Finding the Fourth Proportional to 874,047.42, 1,206,207.99 and 492,087.87
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Solution
The fourth proportional to 874,047.42, 1,206,207.99 and 492,087.87 is: 679,093.96
Step by Step Solution
- Step 1: Write the proportion equation
874,047.42 : 1,206,207.99 = 492,087.87 : x - Step 2: Convert to fraction form
874,047.42/1,206,207.99 = 492,087.87/x - Step 3: Cross multiply
874,047.42x = 1,206,207.99 × 492,087.87 - Step 4: Simplify right side
874,047.42x = 593,560,320,576.08 - Step 5: Solve for x
x = 593,560,320,576.08/874,047.42 - Step 6: Final answer
x = 679,093.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.