Finding the Fourth Proportional to 446,419.38, 668,929.08 and 379,584.66
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Solution
The fourth proportional to 446,419.38, 668,929.08 and 379,584.66 is: 568,781.80
Step by Step Solution
- Step 1: Write the proportion equation
446,419.38 : 668,929.08 = 379,584.66 : x - Step 2: Convert to fraction form
446,419.38/668,929.08 = 379,584.66/x - Step 3: Cross multiply
446,419.38x = 668,929.08 × 379,584.66 - Step 4: Simplify right side
446,419.38x = 253,915,217,395.91 - Step 5: Solve for x
x = 253,915,217,395.91/446,419.38 - Step 6: Final answer
x = 568,781.80
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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.