Finding the Fourth Proportional to 848,592.18, 1,170,958.97 and 485,994.40
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Solution
The fourth proportional to 848,592.18, 1,170,958.97 and 485,994.40 is: 670,616.01
Step by Step Solution
- Step 1: Write the proportion equation
848,592.18 : 1,170,958.97 = 485,994.40 : x - Step 2: Convert to fraction form
848,592.18/1,170,958.97 = 485,994.40/x - Step 3: Cross multiply
848,592.18x = 1,170,958.97 × 485,994.40 - Step 4: Simplify right side
848,592.18x = 569,079,500,337.36 - Step 5: Solve for x
x = 569,079,500,337.36/848,592.18 - Step 6: Final answer
x = 670,616.01
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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.