Finding the Fourth Proportional to 957,894.51, 1,321,769.84 and 550,014.15
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Solution
The fourth proportional to 957,894.51, 1,321,769.84 and 550,014.15 is: 758,947.99
Step by Step Solution
- Step 1: Write the proportion equation
957,894.51 : 1,321,769.84 = 550,014.15 : x - Step 2: Convert to fraction form
957,894.51/1,321,769.84 = 550,014.15/x - Step 3: Cross multiply
957,894.51x = 1,321,769.84 × 550,014.15 - Step 4: Simplify right side
957,894.51x = 726,992,112,293.17 - Step 5: Solve for x
x = 726,992,112,293.17/957,894.51 - Step 6: Final answer
x = 758,947.99
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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.