Finding the Fourth Proportional to 784,397.28, 1,176,734.16 and 364,147.68
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Solution
The fourth proportional to 784,397.28, 1,176,734.16 and 364,147.68 is: 546,285.70
Step by Step Solution
- Step 1: Write the proportion equation
784,397.28 : 1,176,734.16 = 364,147.68 : x - Step 2: Convert to fraction form
784,397.28/1,176,734.16 = 364,147.68/x - Step 3: Cross multiply
784,397.28x = 1,176,734.16 × 364,147.68 - Step 4: Simplify right side
784,397.28x = 428,505,014,340.75 - Step 5: Solve for x
x = 428,505,014,340.75/784,397.28 - Step 6: Final answer
x = 546,285.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.