Finding the Fourth Proportional to 998,893.20, 1,497,873.97 and 518,992
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Solution
The fourth proportional to 998,893.20, 1,497,873.97 and 518,992 is: 778,245.97
Step by Step Solution
- Step 1: Write the proportion equation
998,893.20 : 1,497,873.97 = 518,992 : x - Step 2: Convert to fraction form
998,893.20/1,497,873.97 = 518,992/x - Step 3: Cross multiply
998,893.20x = 1,497,873.97 × 518,992 - Step 4: Simplify right side
998,893.20x = 777,384,607,438.24 - Step 5: Solve for x
x = 777,384,607,438.24/998,893.20 - Step 6: Final answer
x = 778,245.97
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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.