Finding the Fourth Proportional to 827,129.80, 1,240,694.70 and 792,137.80
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Solution
The fourth proportional to 827,129.80, 1,240,694.70 and 792,137.80 is: 1,188,206.70
Step by Step Solution
- Step 1: Write the proportion equation
827,129.80 : 1,240,694.70 = 792,137.80 : x - Step 2: Convert to fraction form
827,129.80/1,240,694.70 = 792,137.80/x - Step 3: Cross multiply
827,129.80x = 1,240,694.70 × 792,137.80 - Step 4: Simplify right side
827,129.80x = 982,801,170,129.66 - Step 5: Solve for x
x = 982,801,170,129.66/827,129.80 - Step 6: Final answer
x = 1,188,206.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.