Finding the Fourth Proportional to 888,568.16, 1,331,781.38 and 408,132.99
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Solution
The fourth proportional to 888,568.16, 1,331,781.38 and 408,132.99 is: 611,707.63
Step by Step Solution
- Step 1: Write the proportion equation
888,568.16 : 1,331,781.38 = 408,132.99 : x - Step 2: Convert to fraction form
888,568.16/1,331,781.38 = 408,132.99/x - Step 3: Cross multiply
888,568.16x = 1,331,781.38 × 408,132.99 - Step 4: Simplify right side
888,568.16x = 543,543,916,135.56 - Step 5: Solve for x
x = 543,543,916,135.56/888,568.16 - Step 6: Final answer
x = 611,707.63
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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.