Finding the Fourth Proportional to 925,850.97, 1,388,488.18 and 326,671.75
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Solution
The fourth proportional to 925,850.97, 1,388,488.18 and 326,671.75 is: 489,905.90
Step by Step Solution
- Step 1: Write the proportion equation
925,850.97 : 1,388,488.18 = 326,671.75 : x - Step 2: Convert to fraction form
925,850.97/1,388,488.18 = 326,671.75/x - Step 3: Cross multiply
925,850.97x = 1,388,488.18 × 326,671.75 - Step 4: Simplify right side
925,850.97x = 453,579,857,336.11 - Step 5: Solve for x
x = 453,579,857,336.11/925,850.97 - Step 6: Final answer
x = 489,905.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.