Finding the Fourth Proportional to 751,961.34, 1,037,954.79 and 672,245.19
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Solution
The fourth proportional to 751,961.34, 1,037,954.79 and 672,245.19 is: 927,920.20
Step by Step Solution
- Step 1: Write the proportion equation
751,961.34 : 1,037,954.79 = 672,245.19 : x - Step 2: Convert to fraction form
751,961.34/1,037,954.79 = 672,245.19/x - Step 3: Cross multiply
751,961.34x = 1,037,954.79 × 672,245.19 - Step 4: Simplify right side
751,961.34x = 697,760,115,014.96 - Step 5: Solve for x
x = 697,760,115,014.96/751,961.34 - Step 6: Final answer
x = 927,920.20
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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.