Finding the Fourth Proportional to 899,563.19, 1,349,717.75 and 393,863.15
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Solution
The fourth proportional to 899,563.19, 1,349,717.75 and 393,863.15 is: 590,958.02
Step by Step Solution
- Step 1: Write the proportion equation
899,563.19 : 1,349,717.75 = 393,863.15 : x - Step 2: Convert to fraction form
899,563.19/1,349,717.75 = 393,863.15/x - Step 3: Cross multiply
899,563.19x = 1,349,717.75 × 393,863.15 - Step 4: Simplify right side
899,563.19x = 531,604,082,656.60 - Step 5: Solve for x
x = 531,604,082,656.60/899,563.19 - Step 6: Final answer
x = 590,958.02
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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.