Finding the Fourth Proportional to 672,380.97, 927,873.66 and 366,455.58
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Solution
The fourth proportional to 672,380.97, 927,873.66 and 366,455.58 is: 505,702.12
Step by Step Solution
- Step 1: Write the proportion equation
672,380.97 : 927,873.66 = 366,455.58 : x - Step 2: Convert to fraction form
672,380.97/927,873.66 = 366,455.58/x - Step 3: Cross multiply
672,380.97x = 927,873.66 × 366,455.58 - Step 4: Simplify right side
672,380.97x = 340,024,480,242.02 - Step 5: Solve for x
x = 340,024,480,242.02/672,380.97 - Step 6: Final answer
x = 505,702.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.