Finding the Fourth Proportional to 784,190.82, 1,174,391.61 and 446,207.70
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Solution
The fourth proportional to 784,190.82, 1,174,391.61 and 446,207.70 is: 668,233.50
Step by Step Solution
- Step 1: Write the proportion equation
784,190.82 : 1,174,391.61 = 446,207.70 : x - Step 2: Convert to fraction form
784,190.82/1,174,391.61 = 446,207.70/x - Step 3: Cross multiply
784,190.82x = 1,174,391.61 × 446,207.70 - Step 4: Simplify right side
784,190.82x = 524,022,579,197.40 - Step 5: Solve for x
x = 524,022,579,197.40/784,190.82 - Step 6: Final answer
x = 668,233.50
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1.5x scale
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.