Finding the Fourth Proportional to 536,213.79, 739,974.89 and 294,496.43
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Solution
The fourth proportional to 536,213.79, 739,974.89 and 294,496.43 is: 406,404.99
Step by Step Solution
- Step 1: Write the proportion equation
536,213.79 : 739,974.89 = 294,496.43 : x - Step 2: Convert to fraction form
536,213.79/739,974.89 = 294,496.43/x - Step 3: Cross multiply
536,213.79x = 739,974.89 × 294,496.43 - Step 4: Simplify right side
536,213.79x = 217,919,960,431.01 - Step 5: Solve for x
x = 217,919,960,431.01/536,213.79 - Step 6: Final answer
x = 406,404.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.