Finding the Fourth Proportional to 895,793.28, 1,236,195.99 and 487,896.72
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Solution
The fourth proportional to 895,793.28, 1,236,195.99 and 487,896.72 is: 673,298.16
Step by Step Solution
- Step 1: Write the proportion equation
895,793.28 : 1,236,195.99 = 487,896.72 : x - Step 2: Convert to fraction form
895,793.28/1,236,195.99 = 487,896.72/x - Step 3: Cross multiply
895,793.28x = 1,236,195.99 × 487,896.72 - Step 4: Simplify right side
895,793.28x = 603,135,968,798.15 - Step 5: Solve for x
x = 603,135,968,798.15/895,793.28 - Step 6: Final answer
x = 673,298.16
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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.