Finding the Fourth Proportional to 672,317.09, 927,797.61 and 370,511.09
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Solution
The fourth proportional to 672,317.09, 927,797.61 and 370,511.09 is: 511,305.32
Step by Step Solution
- Step 1: Write the proportion equation
672,317.09 : 927,797.61 = 370,511.09 : x - Step 2: Convert to fraction form
672,317.09/927,797.61 = 370,511.09/x - Step 3: Cross multiply
672,317.09x = 927,797.61 × 370,511.09 - Step 4: Simplify right side
672,317.09x = 343,759,303,780.50 - Step 5: Solve for x
x = 343,759,303,780.50/672,317.09 - Step 6: Final answer
x = 511,305.32
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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.