Finding the Fourth Proportional to 693,266.36, 1,039,896.80 and 219,988.62
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Solution
The fourth proportional to 693,266.36, 1,039,896.80 and 219,988.62 is: 329,982.06
Step by Step Solution
- Step 1: Write the proportion equation
693,266.36 : 1,039,896.80 = 219,988.62 : x - Step 2: Convert to fraction form
693,266.36/1,039,896.80 = 219,988.62/x - Step 3: Cross multiply
693,266.36x = 1,039,896.80 × 219,988.62 - Step 4: Simplify right side
693,266.36x = 228,765,461,974.42 - Step 5: Solve for x
x = 228,765,461,974.42/693,266.36 - Step 6: Final answer
x = 329,982.06
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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.