Finding the Fourth Proportional to 639,205.44, 882,097.97 and 348,822.75
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Solution
The fourth proportional to 639,205.44, 882,097.97 and 348,822.75 is: 481,372.37
Step by Step Solution
- Step 1: Write the proportion equation
639,205.44 : 882,097.97 = 348,822.75 : x - Step 2: Convert to fraction form
639,205.44/882,097.97 = 348,822.75/x - Step 3: Cross multiply
639,205.44x = 882,097.97 × 348,822.75 - Step 4: Simplify right side
639,205.44x = 307,695,837,920.70 - Step 5: Solve for x
x = 307,695,837,920.70/639,205.44 - Step 6: Final answer
x = 481,372.37
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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.