Finding the Fourth Proportional to 501,220.71, 691,676.01 and 283,425.75
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Solution
The fourth proportional to 501,220.71, 691,676.01 and 283,425.75 is: 391,122.69
Step by Step Solution
- Step 1: Write the proportion equation
501,220.71 : 691,676.01 = 283,425.75 : x - Step 2: Convert to fraction form
501,220.71/691,676.01 = 283,425.75/x - Step 3: Cross multiply
501,220.71x = 691,676.01 × 283,425.75 - Step 4: Simplify right side
501,220.71x = 196,038,791,891.26 - Step 5: Solve for x
x = 196,038,791,891.26/501,220.71 - Step 6: Final answer
x = 391,122.69
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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.