Finding the Fourth Proportional to 998,450.70, 1,497,676.05 and 943,338.30
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Solution
The fourth proportional to 998,450.70, 1,497,676.05 and 943,338.30 is: 1,415,007.45
Step by Step Solution
- Step 1: Write the proportion equation
998,450.70 : 1,497,676.05 = 943,338.30 : x - Step 2: Convert to fraction form
998,450.70/1,497,676.05 = 943,338.30/x - Step 3: Cross multiply
998,450.70x = 1,497,676.05 × 943,338.30 - Step 4: Simplify right side
998,450.70x = 1,412,815,178,957.72 - Step 5: Solve for x
x = 1,412,815,178,957.72/998,450.70 - Step 6: Final answer
x = 1,415,007.45
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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.