Finding the Fourth Proportional to 792,821.28, 1,094,094.05 and 430,245.13
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Solution
The fourth proportional to 792,821.28, 1,094,094.05 and 430,245.13 is: 593,738.65
Step by Step Solution
- Step 1: Write the proportion equation
792,821.28 : 1,094,094.05 = 430,245.13 : x - Step 2: Convert to fraction form
792,821.28/1,094,094.05 = 430,245.13/x - Step 3: Cross multiply
792,821.28x = 1,094,094.05 × 430,245.13 - Step 4: Simplify right side
792,821.28x = 470,728,636,774.48 - Step 5: Solve for x
x = 470,728,636,774.48/792,821.28 - Step 6: Final answer
x = 593,738.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.