Finding the Fourth Proportional to 880,745.44, 1,215,431.04 and 518,182.96
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Solution
The fourth proportional to 880,745.44, 1,215,431.04 and 518,182.96 is: 715,093.86
Step by Step Solution
- Step 1: Write the proportion equation
880,745.44 : 1,215,431.04 = 518,182.96 : x - Step 2: Convert to fraction form
880,745.44/1,215,431.04 = 518,182.96/x - Step 3: Cross multiply
880,745.44x = 1,215,431.04 × 518,182.96 - Step 4: Simplify right side
880,745.44x = 629,815,653,983.08 - Step 5: Solve for x
x = 629,815,653,983.08/880,745.44 - Step 6: Final answer
x = 715,093.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.