Finding the Fourth Proportional to 848,363.28, 1,170,763.68 and 466,399.68
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Solution
The fourth proportional to 848,363.28, 1,170,763.68 and 466,399.68 is: 643,643.85
Step by Step Solution
- Step 1: Write the proportion equation
848,363.28 : 1,170,763.68 = 466,399.68 : x - Step 2: Convert to fraction form
848,363.28/1,170,763.68 = 466,399.68/x - Step 3: Cross multiply
848,363.28x = 1,170,763.68 × 466,399.68 - Step 4: Simplify right side
848,363.28x = 546,043,805,707.62 - Step 5: Solve for x
x = 546,043,805,707.62/848,363.28 - Step 6: Final answer
x = 643,643.85
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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.