Finding the Fourth Proportional to 934,505.99, 1,289,618.76 and 504,786.12
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Solution
The fourth proportional to 934,505.99, 1,289,618.76 and 504,786.12 is: 696,605.12
Step by Step Solution
- Step 1: Write the proportion equation
934,505.99 : 1,289,618.76 = 504,786.12 : x - Step 2: Convert to fraction form
934,505.99/1,289,618.76 = 504,786.12/x - Step 3: Cross multiply
934,505.99x = 1,289,618.76 × 504,786.12 - Step 4: Simplify right side
934,505.99x = 650,981,650,139.61 - Step 5: Solve for x
x = 650,981,650,139.61/934,505.99 - Step 6: Final answer
x = 696,605.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.