Finding the Fourth Proportional to 741,878.66, 1,112,899.80 and 236,322.02
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Solution
The fourth proportional to 741,878.66, 1,112,899.80 and 236,322.02 is: 354,509.09
Step by Step Solution
- Step 1: Write the proportion equation
741,878.66 : 1,112,899.80 = 236,322.02 : x - Step 2: Convert to fraction form
741,878.66/1,112,899.80 = 236,322.02/x - Step 3: Cross multiply
741,878.66x = 1,112,899.80 × 236,322.02 - Step 4: Simplify right side
741,878.66x = 263,002,728,793.60 - Step 5: Solve for x
x = 263,002,728,793.60/741,878.66 - Step 6: Final answer
x = 354,509.09
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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.