Finding the Fourth Proportional to 518,271.96, 775,745.82 and 277,785.84
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Solution
The fourth proportional to 518,271.96, 775,745.82 and 277,785.84 is: 415,787.89
Step by Step Solution
- Step 1: Write the proportion equation
518,271.96 : 775,745.82 = 277,785.84 : x - Step 2: Convert to fraction form
518,271.96/775,745.82 = 277,785.84/x - Step 3: Cross multiply
518,271.96x = 775,745.82 × 277,785.84 - Step 4: Simplify right side
518,271.96x = 215,491,204,235.19 - Step 5: Solve for x
x = 215,491,204,235.19/518,271.96 - Step 6: Final answer
x = 415,787.89
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1.5x scale
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.