Finding the Fourth Proportional to 903,007.85, 1,354,651.97 and 303,922.26
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Solution
The fourth proportional to 903,007.85, 1,354,651.97 and 303,922.26 is: 455,930.58
Step by Step Solution
- Step 1: Write the proportion equation
903,007.85 : 1,354,651.97 = 303,922.26 : x - Step 2: Convert to fraction form
903,007.85/1,354,651.97 = 303,922.26/x - Step 3: Cross multiply
903,007.85x = 1,354,651.97 × 303,922.26 - Step 4: Simplify right side
903,007.85x = 411,708,886,716.24 - Step 5: Solve for x
x = 411,708,886,716.24/903,007.85 - Step 6: Final answer
x = 455,930.58
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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.