Finding the Fourth Proportional to 487,806.44, 673,092.58 and 306,389.14
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Solution
The fourth proportional to 487,806.44, 673,092.58 and 306,389.14 is: 422,766.57
Step by Step Solution
- Step 1: Write the proportion equation
487,806.44 : 673,092.58 = 306,389.14 : x - Step 2: Convert to fraction form
487,806.44/673,092.58 = 306,389.14/x - Step 3: Cross multiply
487,806.44x = 673,092.58 × 306,389.14 - Step 4: Simplify right side
487,806.44x = 206,228,256,801.97 - Step 5: Solve for x
x = 206,228,256,801.97/487,806.44 - Step 6: Final answer
x = 422,766.57
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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.