Finding the Fourth Proportional to 744,676.12, 1,027,609.58 and 417,958.76
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Solution
The fourth proportional to 744,676.12, 1,027,609.58 and 417,958.76 is: 576,758.69
Step by Step Solution
- Step 1: Write the proportion equation
744,676.12 : 1,027,609.58 = 417,958.76 : x - Step 2: Convert to fraction form
744,676.12/1,027,609.58 = 417,958.76/x - Step 3: Cross multiply
744,676.12x = 1,027,609.58 × 417,958.76 - Step 4: Simplify right side
744,676.12x = 429,498,425,820.92 - Step 5: Solve for x
x = 429,498,425,820.92/744,676.12 - Step 6: Final answer
x = 576,758.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.