Finding the Fourth Proportional to 487,630.26, 673,065.01 and 283,720.58
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Solution
The fourth proportional to 487,630.26, 673,065.01 and 283,720.58 is: 391,613.09
Step by Step Solution
- Step 1: Write the proportion equation
487,630.26 : 673,065.01 = 283,720.58 : x - Step 2: Convert to fraction form
487,630.26/673,065.01 = 283,720.58/x - Step 3: Cross multiply
487,630.26x = 673,065.01 × 283,720.58 - Step 4: Simplify right side
487,630.26x = 190,962,394,086.29 - Step 5: Solve for x
x = 190,962,394,086.29/487,630.26 - Step 6: Final answer
x = 391,613.09
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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.