Finding the Fourth Proportional to 1,161,216.16, 1,741,832.88 and 319,814.08
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Solution
The fourth proportional to 1,161,216.16, 1,741,832.88 and 319,814.08 is: 479,723.50
Step by Step Solution
- Step 1: Write the proportion equation
1,161,216.16 : 1,741,832.88 = 319,814.08 : x - Step 2: Convert to fraction form
1,161,216.16/1,741,832.88 = 319,814.08/x - Step 3: Cross multiply
1,161,216.16x = 1,741,832.88 × 319,814.08 - Step 4: Simplify right side
1,161,216.16x = 557,062,680,030.95 - Step 5: Solve for x
x = 557,062,680,030.95/1,161,216.16 - Step 6: Final answer
x = 479,723.50
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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.