Finding the Fourth Proportional to 449,575.63, 671,083.85 and 392,823.99
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Solution
The fourth proportional to 449,575.63, 671,083.85 and 392,823.99 is: 586,370.39
Step by Step Solution
- Step 1: Write the proportion equation
449,575.63 : 671,083.85 = 392,823.99 : x - Step 2: Convert to fraction form
449,575.63/671,083.85 = 392,823.99/x - Step 3: Cross multiply
449,575.63x = 671,083.85 × 392,823.99 - Step 4: Simplify right side
449,575.63x = 263,617,836,563.62 - Step 5: Solve for x
x = 263,617,836,563.62/449,575.63 - Step 6: Final answer
x = 586,370.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.