Finding the Fourth Proportional to 702,648.05, 1,053,814.46 and 323,204.36
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Solution
The fourth proportional to 702,648.05, 1,053,814.46 and 323,204.36 is: 484,734.03
Step by Step Solution
- Step 1: Write the proportion equation
702,648.05 : 1,053,814.46 = 323,204.36 : x - Step 2: Convert to fraction form
702,648.05/1,053,814.46 = 323,204.36/x - Step 3: Cross multiply
702,648.05x = 1,053,814.46 × 323,204.36 - Step 4: Simplify right side
702,648.05x = 340,597,421,217.95 - Step 5: Solve for x
x = 340,597,421,217.95/702,648.05 - Step 6: Final answer
x = 484,734.03
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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.