Finding the Fourth Proportional to 873,812.21, 1,311,033.90 and 305,277.26
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Solution
The fourth proportional to 873,812.21, 1,311,033.90 and 305,277.26 is: 458,026.14
Step by Step Solution
- Step 1: Write the proportion equation
873,812.21 : 1,311,033.90 = 305,277.26 : x - Step 2: Convert to fraction form
873,812.21/1,311,033.90 = 305,277.26/x - Step 3: Cross multiply
873,812.21x = 1,311,033.90 × 305,277.26 - Step 4: Simplify right side
873,812.21x = 400,228,831,348.73 - Step 5: Solve for x
x = 400,228,831,348.73/873,812.21 - Step 6: Final answer
x = 458,026.14
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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.