Finding the Fourth Proportional to 998,235.36, 1,497,605.61 and 278,576.97
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Solution
The fourth proportional to 998,235.36, 1,497,605.61 and 278,576.97 is: 417,935.94
Step by Step Solution
- Step 1: Write the proportion equation
998,235.36 : 1,497,605.61 = 278,576.97 : x - Step 2: Convert to fraction form
998,235.36/1,497,605.61 = 278,576.97/x - Step 3: Cross multiply
998,235.36x = 1,497,605.61 × 278,576.97 - Step 4: Simplify right side
998,235.36x = 417,198,433,088.80 - Step 5: Solve for x
x = 417,198,433,088.80/998,235.36 - Step 6: Final answer
x = 417,935.94
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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.