Finding the Fourth Proportional to 702,647.80, 1,053,814.08 and 323,204.14
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Solution
The fourth proportional to 702,647.80, 1,053,814.08 and 323,204.14 is: 484,733.70
Step by Step Solution
- Step 1: Write the proportion equation
702,647.80 : 1,053,814.08 = 323,204.14 : x - Step 2: Convert to fraction form
702,647.80/1,053,814.08 = 323,204.14/x - Step 3: Cross multiply
702,647.80x = 1,053,814.08 × 323,204.14 - Step 4: Simplify right side
702,647.80x = 340,597,068,177.22 - Step 5: Solve for x
x = 340,597,068,177.22/702,647.80 - Step 6: Final answer
x = 484,733.70
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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.