Finding the Fourth Proportional to 782,496.20, 1,176,368.70 and 667,022.60
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Solution
The fourth proportional to 782,496.20, 1,176,368.70 and 667,022.60 is: 1,002,771.02
Step by Step Solution
- Step 1: Write the proportion equation
782,496.20 : 1,176,368.70 = 667,022.60 : x - Step 2: Convert to fraction form
782,496.20/1,176,368.70 = 667,022.60/x - Step 3: Cross multiply
782,496.20x = 1,176,368.70 × 667,022.60 - Step 4: Simplify right side
782,496.20x = 784,664,508,832.62 - Step 5: Solve for x
x = 784,664,508,832.62/782,496.20 - Step 6: Final answer
x = 1,002,771.02
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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.