Finding the Fourth Proportional to 911,109.76, 1,366,205.84 and 303,682.96
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Solution
The fourth proportional to 911,109.76, 1,366,205.84 and 303,682.96 is: 455,371.52
Step by Step Solution
- Step 1: Write the proportion equation
911,109.76 : 1,366,205.84 = 303,682.96 : x - Step 2: Convert to fraction form
911,109.76/1,366,205.84 = 303,682.96/x - Step 3: Cross multiply
911,109.76x = 1,366,205.84 × 303,682.96 - Step 4: Simplify right side
911,109.76x = 414,893,433,460.49 - Step 5: Solve for x
x = 414,893,433,460.49/911,109.76 - Step 6: Final answer
x = 455,371.52
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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.