Finding the Fourth Proportional to 784,874.71, 1,177,144.39 and 358,289.42
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Solution
The fourth proportional to 784,874.71, 1,177,144.39 and 358,289.42 is: 537,357.59
Step by Step Solution
- Step 1: Write the proportion equation
784,874.71 : 1,177,144.39 = 358,289.42 : x - Step 2: Convert to fraction form
784,874.71/1,177,144.39 = 358,289.42/x - Step 3: Cross multiply
784,874.71x = 1,177,144.39 × 358,289.42 - Step 4: Simplify right side
784,874.71x = 421,758,378,957.91 - Step 5: Solve for x
x = 421,758,378,957.91/784,874.71 - Step 6: Final answer
x = 537,357.59
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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.