Finding the Fourth Proportional to 766,979.96, 1,150,469.94 and 234,500.99
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Solution
The fourth proportional to 766,979.96, 1,150,469.94 and 234,500.99 is: 351,751.49
Step by Step Solution
- Step 1: Write the proportion equation
766,979.96 : 1,150,469.94 = 234,500.99 : x - Step 2: Convert to fraction form
766,979.96/1,150,469.94 = 234,500.99/x - Step 3: Cross multiply
766,979.96x = 1,150,469.94 × 234,500.99 - Step 4: Simplify right side
766,979.96x = 269,786,339,895.24 - Step 5: Solve for x
x = 269,786,339,895.24/766,979.96 - Step 6: Final answer
x = 351,751.49
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Half scale
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Double scale
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Similar ratio
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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.