Finding the Fourth Proportional to 576,112.26, 794,916.21 and 331,049.68
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Solution
The fourth proportional to 576,112.26, 794,916.21 and 331,049.68 is: 456,780.34
Step by Step Solution
- Step 1: Write the proportion equation
576,112.26 : 794,916.21 = 331,049.68 : x - Step 2: Convert to fraction form
576,112.26/794,916.21 = 331,049.68/x - Step 3: Cross multiply
576,112.26x = 794,916.21 × 331,049.68 - Step 4: Simplify right side
576,112.26x = 263,156,754,960.02 - Step 5: Solve for x
x = 263,156,754,960.02/576,112.26 - Step 6: Final answer
x = 456,780.34
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1.5x scale
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.