Finding the Fourth Proportional to 538,755.84, 743,516.46 and 297,037.98
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Solution
The fourth proportional to 538,755.84, 743,516.46 and 297,037.98 is: 409,930.83
Step by Step Solution
- Step 1: Write the proportion equation
538,755.84 : 743,516.46 = 297,037.98 : x - Step 2: Convert to fraction form
538,755.84/743,516.46 = 297,037.98/x - Step 3: Cross multiply
538,755.84x = 743,516.46 × 297,037.98 - Step 4: Simplify right side
538,755.84x = 220,852,627,375.15 - Step 5: Solve for x
x = 220,852,627,375.15/538,755.84 - Step 6: Final answer
x = 409,930.83
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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.