Finding the Fourth Proportional to 538,576.39, 743,201.63 and 296,845.66
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Solution
The fourth proportional to 538,576.39, 743,201.63 and 296,845.66 is: 409,628.39
Step by Step Solution
- Step 1: Write the proportion equation
538,576.39 : 743,201.63 = 296,845.66 : x - Step 2: Convert to fraction form
538,576.39/743,201.63 = 296,845.66/x - Step 3: Cross multiply
538,576.39x = 743,201.63 × 296,845.66 - Step 4: Simplify right side
538,576.39x = 220,616,176,886.20 - Step 5: Solve for x
x = 220,616,176,886.20/538,576.39 - Step 6: Final answer
x = 409,628.39
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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.