Finding the Fourth Proportional to 531,091.20, 796,636.80 and 461,107.20
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Solution
The fourth proportional to 531,091.20, 796,636.80 and 461,107.20 is: 691,660.80
Step by Step Solution
- Step 1: Write the proportion equation
531,091.20 : 796,636.80 = 461,107.20 : x - Step 2: Convert to fraction form
531,091.20/796,636.80 = 461,107.20/x - Step 3: Cross multiply
531,091.20x = 796,636.80 × 461,107.20 - Step 4: Simplify right side
531,091.20x = 367,334,964,264.96 - Step 5: Solve for x
x = 367,334,964,264.96/531,091.20 - Step 6: Final answer
x = 691,660.80
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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.