Finding the Fourth Proportional to 571,883.53, 789,207.32 and 313,755.79
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Solution
The fourth proportional to 571,883.53, 789,207.32 and 313,755.79 is: 432,987.40
Step by Step Solution
- Step 1: Write the proportion equation
571,883.53 : 789,207.32 = 313,755.79 : x - Step 2: Convert to fraction form
571,883.53/789,207.32 = 313,755.79/x - Step 3: Cross multiply
571,883.53x = 789,207.32 × 313,755.79 - Step 4: Simplify right side
571,883.53x = 247,618,363,491.99 - Step 5: Solve for x
x = 247,618,363,491.99/571,883.53 - Step 6: Final answer
x = 432,987.40
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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.