Finding the Fourth Proportional to 998,622.87, 1,497,997.35 and 422,138.64
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Solution
The fourth proportional to 998,622.87, 1,497,997.35 and 422,138.64 is: 633,234.61
Step by Step Solution
- Step 1: Write the proportion equation
998,622.87 : 1,497,997.35 = 422,138.64 : x - Step 2: Convert to fraction form
998,622.87/1,497,997.35 = 422,138.64/x - Step 3: Cross multiply
998,622.87x = 1,497,997.35 × 422,138.64 - Step 4: Simplify right side
998,622.87x = 632,362,564,052.60 - Step 5: Solve for x
x = 632,362,564,052.60/998,622.87 - Step 6: Final answer
x = 633,234.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.