Finding the Fourth Proportional to 848,398.82, 1,170,668.57 and 499,331.75
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Solution
The fourth proportional to 848,398.82, 1,170,668.57 and 499,331.75 is: 689,006.12
Step by Step Solution
- Step 1: Write the proportion equation
848,398.82 : 1,170,668.57 = 499,331.75 : x - Step 2: Convert to fraction form
848,398.82/1,170,668.57 = 499,331.75/x - Step 3: Cross multiply
848,398.82x = 1,170,668.57 × 499,331.75 - Step 4: Simplify right side
848,398.82x = 584,551,977,378.10 - Step 5: Solve for x
x = 584,551,977,378.10/848,398.82 - Step 6: Final answer
x = 689,006.12
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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.