Finding the Fourth Proportional to 874,022.67, 1,206,173.84 and 492,063.12
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Solution
The fourth proportional to 874,022.67, 1,206,173.84 and 492,063.12 is: 679,059.80
Step by Step Solution
- Step 1: Write the proportion equation
874,022.67 : 1,206,173.84 = 492,063.12 : x - Step 2: Convert to fraction form
874,022.67/1,206,173.84 = 492,063.12/x - Step 3: Cross multiply
874,022.67x = 1,206,173.84 × 492,063.12 - Step 4: Simplify right side
874,022.67x = 593,513,660,512.47 - Step 5: Solve for x
x = 593,513,660,512.47/874,022.67 - Step 6: Final answer
x = 679,059.80
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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.