Finding the Fourth Proportional to 930,951.78, 1,396,537.02 and 331,998.08
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Solution
The fourth proportional to 930,951.78, 1,396,537.02 and 331,998.08 is: 498,036.12
Step by Step Solution
- Step 1: Write the proportion equation
930,951.78 : 1,396,537.02 = 331,998.08 : x - Step 2: Convert to fraction form
930,951.78/1,396,537.02 = 331,998.08/x - Step 3: Cross multiply
930,951.78x = 1,396,537.02 × 331,998.08 - Step 4: Simplify right side
930,951.78x = 463,647,609,288.92 - Step 5: Solve for x
x = 463,647,609,288.92/930,951.78 - Step 6: Final answer
x = 498,036.12
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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.