Finding the Fourth Proportional to 627,618.34, 866,122.14 and 341,138.44
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Solution
The fourth proportional to 627,618.34, 866,122.14 and 341,138.44 is: 470,775.85
Step by Step Solution
- Step 1: Write the proportion equation
627,618.34 : 866,122.14 = 341,138.44 : x - Step 2: Convert to fraction form
627,618.34/866,122.14 = 341,138.44/x - Step 3: Cross multiply
627,618.34x = 866,122.14 × 341,138.44 - Step 4: Simplify right side
627,618.34x = 295,467,555,689.06 - Step 5: Solve for x
x = 295,467,555,689.06/627,618.34 - Step 6: Final answer
x = 470,775.85
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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.