Finding the Fourth Proportional to 889,883.87, 1,228,036.77 and 481,984.70
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Solution
The fourth proportional to 889,883.87, 1,228,036.77 and 481,984.70 is: 665,137.27
Step by Step Solution
- Step 1: Write the proportion equation
889,883.87 : 1,228,036.77 = 481,984.70 : x - Step 2: Convert to fraction form
889,883.87/1,228,036.77 = 481,984.70/x - Step 3: Cross multiply
889,883.87x = 1,228,036.77 × 481,984.70 - Step 4: Simplify right side
889,883.87x = 591,894,928,037.24 - Step 5: Solve for x
x = 591,894,928,037.24/889,883.87 - Step 6: Final answer
x = 665,137.27
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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.