Finding the Fourth Proportional to 561,542.26, 774,926.44 and 306,893.38
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Solution
The fourth proportional to 561,542.26, 774,926.44 and 306,893.38 is: 423,511.84
Step by Step Solution
- Step 1: Write the proportion equation
561,542.26 : 774,926.44 = 306,893.38 : x - Step 2: Convert to fraction form
561,542.26/774,926.44 = 306,893.38/x - Step 3: Cross multiply
561,542.26x = 774,926.44 × 306,893.38 - Step 4: Simplify right side
561,542.26x = 237,819,794,422.97 - Step 5: Solve for x
x = 237,819,794,422.97/561,542.26 - Step 6: Final answer
x = 423,511.84
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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.