Finding the Fourth Proportional to 766,217.53, 1,057,341.11 and 422,046.05
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Solution
The fourth proportional to 766,217.53, 1,057,341.11 and 422,046.05 is: 582,402.02
Step by Step Solution
- Step 1: Write the proportion equation
766,217.53 : 1,057,341.11 = 422,046.05 : x - Step 2: Convert to fraction form
766,217.53/1,057,341.11 = 422,046.05/x - Step 3: Cross multiply
766,217.53x = 1,057,341.11 × 422,046.05 - Step 4: Simplify right side
766,217.53x = 446,246,632,174.70 - Step 5: Solve for x
x = 446,246,632,174.70/766,217.53 - Step 6: Final answer
x = 582,402.02
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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.