Finding the Fourth Proportional to 880,638.32, 1,320,541.12 and 341,147.28
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Solution
The fourth proportional to 880,638.32, 1,320,541.12 and 341,147.28 is: 511,559.63
Step by Step Solution
- Step 1: Write the proportion equation
880,638.32 : 1,320,541.12 = 341,147.28 : x - Step 2: Convert to fraction form
880,638.32/1,320,541.12 = 341,147.28/x - Step 3: Cross multiply
880,638.32x = 1,320,541.12 × 341,147.28 - Step 4: Simplify right side
880,638.32x = 450,499,016,594.62 - Step 5: Solve for x
x = 450,499,016,594.62/880,638.32 - Step 6: Final answer
x = 511,559.63
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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.