Finding the Fourth Proportional to 683,676.71, 943,469.98 and 377,753.19
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Solution
The fourth proportional to 683,676.71, 943,469.98 and 377,753.19 is: 521,297.26
Step by Step Solution
- Step 1: Write the proportion equation
683,676.71 : 943,469.98 = 377,753.19 : x - Step 2: Convert to fraction form
683,676.71/943,469.98 = 377,753.19/x - Step 3: Cross multiply
683,676.71x = 943,469.98 × 377,753.19 - Step 4: Simplify right side
683,676.71x = 356,398,794,614.24 - Step 5: Solve for x
x = 356,398,794,614.24/683,676.71 - Step 6: Final answer
x = 521,297.26
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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.