Finding the Fourth Proportional to 775,675.98, 1,163,225.97 and 270,107.19
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Solution
The fourth proportional to 775,675.98, 1,163,225.97 and 270,107.19 is: 405,060.50
Step by Step Solution
- Step 1: Write the proportion equation
775,675.98 : 1,163,225.97 = 270,107.19 : x - Step 2: Convert to fraction form
775,675.98/1,163,225.97 = 270,107.19/x - Step 3: Cross multiply
775,675.98x = 1,163,225.97 × 270,107.19 - Step 4: Simplify right side
775,675.98x = 314,195,698,091.72 - Step 5: Solve for x
x = 314,195,698,091.72/775,675.98 - Step 6: Final answer
x = 405,060.50
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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.