Finding the Fourth Proportional to 886,676.30, 1,330,014.45 and 771,202.70
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Solution
The fourth proportional to 886,676.30, 1,330,014.45 and 771,202.70 is: 1,156,804.05
Step by Step Solution
- Step 1: Write the proportion equation
886,676.30 : 1,330,014.45 = 771,202.70 : x - Step 2: Convert to fraction form
886,676.30/1,330,014.45 = 771,202.70/x - Step 3: Cross multiply
886,676.30x = 1,330,014.45 × 771,202.70 - Step 4: Simplify right side
886,676.30x = 1,025,710,734,879.01 - Step 5: Solve for x
x = 1,025,710,734,879.01/886,676.30 - Step 6: Final answer
x = 1,156,804.05
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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.