Finding the Fourth Proportional to 979,796.18, 1,469,551.71 and 305,720.66
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Solution
The fourth proportional to 979,796.18, 1,469,551.71 and 305,720.66 is: 458,536.51
Step by Step Solution
- Step 1: Write the proportion equation
979,796.18 : 1,469,551.71 = 305,720.66 : x - Step 2: Convert to fraction form
979,796.18/1,469,551.71 = 305,720.66/x - Step 3: Cross multiply
979,796.18x = 1,469,551.71 × 305,720.66 - Step 4: Simplify right side
979,796.18x = 449,272,322,359.21 - Step 5: Solve for x
x = 449,272,322,359.21/979,796.18 - Step 6: Final answer
x = 458,536.51
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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.