Finding the Fourth Proportional to 795,893.99, 1,099,063.49 and 505,599.30
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Solution
The fourth proportional to 795,893.99, 1,099,063.49 and 505,599.30 is: 698,190.64
Step by Step Solution
- Step 1: Write the proportion equation
795,893.99 : 1,099,063.49 = 505,599.30 : x - Step 2: Convert to fraction form
795,893.99/1,099,063.49 = 505,599.30/x - Step 3: Cross multiply
795,893.99x = 1,099,063.49 × 505,599.30 - Step 4: Simplify right side
795,893.99x = 555,685,728,671.56 - Step 5: Solve for x
x = 555,685,728,671.56/795,893.99 - Step 6: Final answer
x = 698,190.64
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1.5x scale
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.