Finding the Fourth Proportional to 739,158.01, 1,108,856.79 and 289,635.14
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Solution
The fourth proportional to 739,158.01, 1,108,856.79 and 289,635.14 is: 434,499.65
Step by Step Solution
- Step 1: Write the proportion equation
739,158.01 : 1,108,856.79 = 289,635.14 : x - Step 2: Convert to fraction form
739,158.01/1,108,856.79 = 289,635.14/x - Step 3: Cross multiply
739,158.01x = 1,108,856.79 × 289,635.14 - Step 4: Simplify right side
739,158.01x = 321,163,894,383.74 - Step 5: Solve for x
x = 321,163,894,383.74/739,158.01 - Step 6: Final answer
x = 434,499.65
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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.