Finding the Fourth Proportional to 784,107.76, 1,176,021 and 207,734.92
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Solution
The fourth proportional to 784,107.76, 1,176,021 and 207,734.92 is: 311,565.12
Step by Step Solution
- Step 1: Write the proportion equation
784,107.76 : 1,176,021 = 207,734.92 : x - Step 2: Convert to fraction form
784,107.76/1,176,021 = 207,734.92/x - Step 3: Cross multiply
784,107.76x = 1,176,021 × 207,734.92 - Step 4: Simplify right side
784,107.76x = 244,300,628,353.32 - Step 5: Solve for x
x = 244,300,628,353.32/784,107.76 - Step 6: Final answer
x = 311,565.12
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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.