Finding the Fourth Proportional to 979,536.96, 1,468,734.56 and 379,797.48
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Solution
The fourth proportional to 979,536.96, 1,468,734.56 and 379,797.48 is: 569,474.87
Step by Step Solution
- Step 1: Write the proportion equation
979,536.96 : 1,468,734.56 = 379,797.48 : x - Step 2: Convert to fraction form
979,536.96/1,468,734.56 = 379,797.48/x - Step 3: Cross multiply
979,536.96x = 1,468,734.56 × 379,797.48 - Step 4: Simplify right side
979,536.96x = 557,821,684,676.91 - Step 5: Solve for x
x = 557,821,684,676.91/979,536.96 - Step 6: Final answer
x = 569,474.87
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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.