Finding the Fourth Proportional to 824,081.06, 1,236,313.28 and 255,431.99
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Solution
The fourth proportional to 824,081.06, 1,236,313.28 and 255,431.99 is: 383,207.40
Step by Step Solution
- Step 1: Write the proportion equation
824,081.06 : 1,236,313.28 = 255,431.99 : x - Step 2: Convert to fraction form
824,081.06/1,236,313.28 = 255,431.99/x - Step 3: Cross multiply
824,081.06x = 1,236,313.28 × 255,431.99 - Step 4: Simplify right side
824,081.06x = 315,793,955,830.84 - Step 5: Solve for x
x = 315,793,955,830.84/824,081.06 - Step 6: Final answer
x = 383,207.40
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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.