Finding the Fourth Proportional to 682,789.76, 1,023,565.12 and 239,315.84
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Solution
The fourth proportional to 682,789.76, 1,023,565.12 and 239,315.84 is: 358,756.62
Step by Step Solution
- Step 1: Write the proportion equation
682,789.76 : 1,023,565.12 = 239,315.84 : x - Step 2: Convert to fraction form
682,789.76/1,023,565.12 = 239,315.84/x - Step 3: Cross multiply
682,789.76x = 1,023,565.12 × 239,315.84 - Step 4: Simplify right side
682,789.76x = 244,955,346,487.50 - Step 5: Solve for x
x = 244,955,346,487.50/682,789.76 - Step 6: Final answer
x = 358,756.62
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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.