Finding the Fourth Proportional to 912,676.80, 1,366,390.80 and 886,432.80
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Solution
The fourth proportional to 912,676.80, 1,366,390.80 and 886,432.80 is: 1,327,100.26
Step by Step Solution
- Step 1: Write the proportion equation
912,676.80 : 1,366,390.80 = 886,432.80 : x - Step 2: Convert to fraction form
912,676.80/1,366,390.80 = 886,432.80/x - Step 3: Cross multiply
912,676.80x = 1,366,390.80 × 886,432.80 - Step 4: Simplify right side
912,676.80x = 1,211,213,622,738.24 - Step 5: Solve for x
x = 1,211,213,622,738.24/912,676.80 - Step 6: Final answer
x = 1,327,100.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.