Finding the Fourth Proportional to 728,749.97, 1,093,085.55 and 223,312.41
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Solution
The fourth proportional to 728,749.97, 1,093,085.55 and 223,312.41 is: 334,956.54
Step by Step Solution
- Step 1: Write the proportion equation
728,749.97 : 1,093,085.55 = 223,312.41 : x - Step 2: Convert to fraction form
728,749.97/1,093,085.55 = 223,312.41/x - Step 3: Cross multiply
728,749.97x = 1,093,085.55 × 223,312.41 - Step 4: Simplify right side
728,749.97x = 244,099,568,506.68 - Step 5: Solve for x
x = 244,099,568,506.68/728,749.97 - Step 6: Final answer
x = 334,956.54
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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.