Finding the Fourth Proportional to 848,383.86, 1,170,647.84 and 499,316.70
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Solution
The fourth proportional to 848,383.86, 1,170,647.84 and 499,316.70 is: 688,985.31
Step by Step Solution
- Step 1: Write the proportion equation
848,383.86 : 1,170,647.84 = 499,316.70 : x - Step 2: Convert to fraction form
848,383.86/1,170,647.84 = 499,316.70/x - Step 3: Cross multiply
848,383.86x = 1,170,647.84 × 499,316.70 - Step 4: Simplify right side
848,383.86x = 584,524,016,330.93 - Step 5: Solve for x
x = 584,524,016,330.93/848,383.86 - Step 6: Final answer
x = 688,985.31
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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.