Finding the Fourth Proportional to 480,619.26, 663,542.38 and 299,576.41
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Solution
The fourth proportional to 480,619.26, 663,542.38 and 299,576.41 is: 413,594.84
Step by Step Solution
- Step 1: Write the proportion equation
480,619.26 : 663,542.38 = 299,576.41 : x - Step 2: Convert to fraction form
480,619.26/663,542.38 = 299,576.41/x - Step 3: Cross multiply
480,619.26x = 663,542.38 × 299,576.41 - Step 4: Simplify right side
480,619.26x = 198,781,645,700.05 - Step 5: Solve for x
x = 198,781,645,700.05/480,619.26 - Step 6: Final answer
x = 413,594.84
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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.