Finding the Fourth Proportional to 693,936.84, 1,040,905.62 and 195,300.84
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Solution
The fourth proportional to 693,936.84, 1,040,905.62 and 195,300.84 is: 292,951.36
Step by Step Solution
- Step 1: Write the proportion equation
693,936.84 : 1,040,905.62 = 195,300.84 : x - Step 2: Convert to fraction form
693,936.84/1,040,905.62 = 195,300.84/x - Step 3: Cross multiply
693,936.84x = 1,040,905.62 × 195,300.84 - Step 4: Simplify right side
693,936.84x = 203,289,741,946.72 - Step 5: Solve for x
x = 203,289,741,946.72/693,936.84 - Step 6: Final answer
x = 292,951.36
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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.