Finding the Fourth Proportional to 930,676.24, 1,395,958.74 and 331,605.64
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Solution
The fourth proportional to 930,676.24, 1,395,958.74 and 331,605.64 is: 497,388.64
Step by Step Solution
- Step 1: Write the proportion equation
930,676.24 : 1,395,958.74 = 331,605.64 : x - Step 2: Convert to fraction form
930,676.24/1,395,958.74 = 331,605.64/x - Step 3: Cross multiply
930,676.24x = 1,395,958.74 × 331,605.64 - Step 4: Simplify right side
930,676.24x = 462,907,791,391.29 - Step 5: Solve for x
x = 462,907,791,391.29/930,676.24 - Step 6: Final answer
x = 497,388.64
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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.