Finding the Fourth Proportional to 831,950.14, 1,148,091.42 and 469,450.84
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Solution
The fourth proportional to 831,950.14, 1,148,091.42 and 469,450.84 is: 647,842.29
Step by Step Solution
- Step 1: Write the proportion equation
831,950.14 : 1,148,091.42 = 469,450.84 : x - Step 2: Convert to fraction form
831,950.14/1,148,091.42 = 469,450.84/x - Step 3: Cross multiply
831,950.14x = 1,148,091.42 × 469,450.84 - Step 4: Simplify right side
831,950.14x = 538,972,481,515.79 - Step 5: Solve for x
x = 538,972,481,515.79/831,950.14 - Step 6: Final answer
x = 647,842.29
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1.5x scale
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.