Finding the Fourth Proportional to 806,693.44, 1,113,216.60 and 444,113.68
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Solution
The fourth proportional to 806,693.44, 1,113,216.60 and 444,113.68 is: 612,865.68
Step by Step Solution
- Step 1: Write the proportion equation
806,693.44 : 1,113,216.60 = 444,113.68 : x - Step 2: Convert to fraction form
806,693.44/1,113,216.60 = 444,113.68/x - Step 3: Cross multiply
806,693.44x = 1,113,216.60 × 444,113.68 - Step 4: Simplify right side
806,693.44x = 494,394,720,863.09 - Step 5: Solve for x
x = 494,394,720,863.09/806,693.44 - Step 6: Final answer
x = 612,865.68
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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.