Finding the Fourth Proportional to 739,278.18, 1,109,038.92 and 226,930.45
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Solution
The fourth proportional to 739,278.18, 1,109,038.92 and 226,930.45 is: 340,433.02
Step by Step Solution
- Step 1: Write the proportion equation
739,278.18 : 1,109,038.92 = 226,930.45 : x - Step 2: Convert to fraction form
739,278.18/1,109,038.92 = 226,930.45/x - Step 3: Cross multiply
739,278.18x = 1,109,038.92 × 226,930.45 - Step 4: Simplify right side
739,278.18x = 251,674,701,183.11 - Step 5: Solve for x
x = 251,674,701,183.11/739,278.18 - Step 6: Final answer
x = 340,433.02
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1.5x scale
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.