Finding the Fourth Proportional to 699,828.84, 965,266.26 and 467,138.40
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Solution
The fourth proportional to 699,828.84, 965,266.26 and 467,138.40 is: 644,318.88
Step by Step Solution
- Step 1: Write the proportion equation
699,828.84 : 965,266.26 = 467,138.40 : x - Step 2: Convert to fraction form
699,828.84/965,266.26 = 467,138.40/x - Step 3: Cross multiply
699,828.84x = 965,266.26 × 467,138.40 - Step 4: Simplify right side
699,828.84x = 450,912,936,270.38 - Step 5: Solve for x
x = 450,912,936,270.38/699,828.84 - Step 6: Final answer
x = 644,318.88
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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.