Finding the Fourth Proportional to 694,052.05, 957,752.09 and 383,936.13
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Solution
The fourth proportional to 694,052.05, 957,752.09 and 383,936.13 is: 529,809.88
Step by Step Solution
- Step 1: Write the proportion equation
694,052.05 : 957,752.09 = 383,936.13 : x - Step 2: Convert to fraction form
694,052.05/957,752.09 = 383,936.13/x - Step 3: Cross multiply
694,052.05x = 957,752.09 × 383,936.13 - Step 4: Simplify right side
694,052.05x = 367,715,629,014.33 - Step 5: Solve for x
x = 367,715,629,014.33/694,052.05 - Step 6: Final answer
x = 529,809.88
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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.