Finding the Fourth Proportional to 803,229.10, 1,203,203.39 and 448,432.09
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Solution
The fourth proportional to 803,229.10, 1,203,203.39 and 448,432.09 is: 671,732.40
Step by Step Solution
- Step 1: Write the proportion equation
803,229.10 : 1,203,203.39 = 448,432.09 : x - Step 2: Convert to fraction form
803,229.10/1,203,203.39 = 448,432.09/x - Step 3: Cross multiply
803,229.10x = 1,203,203.39 × 448,432.09 - Step 4: Simplify right side
803,229.10x = 539,555,005,622.62 - Step 5: Solve for x
x = 539,555,005,622.62/803,229.10 - Step 6: Final answer
x = 671,732.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.