Finding the Fourth Proportional to 783,471.83, 1,175,208.12 and 517,170.09
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Solution
The fourth proportional to 783,471.83, 1,175,208.12 and 517,170.09 is: 775,755.39
Step by Step Solution
- Step 1: Write the proportion equation
783,471.83 : 1,175,208.12 = 517,170.09 : x - Step 2: Convert to fraction form
783,471.83/1,175,208.12 = 517,170.09/x - Step 3: Cross multiply
783,471.83x = 1,175,208.12 × 517,170.09 - Step 4: Simplify right side
783,471.83x = 607,782,489,189.13 - Step 5: Solve for x
x = 607,782,489,189.13/783,471.83 - Step 6: Final answer
x = 775,755.39
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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.