Finding the Fourth Proportional to 735,198.53, 1,102,865.76 and 285,953.49
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Solution
The fourth proportional to 735,198.53, 1,102,865.76 and 285,953.49 is: 428,956.67
Step by Step Solution
- Step 1: Write the proportion equation
735,198.53 : 1,102,865.76 = 285,953.49 : x - Step 2: Convert to fraction form
735,198.53/1,102,865.76 = 285,953.49/x - Step 3: Cross multiply
735,198.53x = 1,102,865.76 × 285,953.49 - Step 4: Simplify right side
735,198.53x = 315,368,313,073.50 - Step 5: Solve for x
x = 315,368,313,073.50/735,198.53 - Step 6: Final answer
x = 428,956.67
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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.