Finding the Fourth Proportional to 396,967.36, 594,757.68 and 330,832.48
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Solution
The fourth proportional to 396,967.36, 594,757.68 and 330,832.48 is: 495,670.87
Step by Step Solution
- Step 1: Write the proportion equation
396,967.36 : 594,757.68 = 330,832.48 : x - Step 2: Convert to fraction form
396,967.36/594,757.68 = 330,832.48/x - Step 3: Cross multiply
396,967.36x = 594,757.68 × 330,832.48 - Step 4: Simplify right side
396,967.36x = 196,765,158,273.45 - Step 5: Solve for x
x = 196,765,158,273.45/396,967.36 - Step 6: Final answer
x = 495,670.87
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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.