Finding the Fourth Proportional to 848,947.46, 1,171,713.84 and 486,613.99
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Solution
The fourth proportional to 848,947.46, 1,171,713.84 and 486,613.99 is: 671,622.65
Step by Step Solution
- Step 1: Write the proportion equation
848,947.46 : 1,171,713.84 = 486,613.99 : x - Step 2: Convert to fraction form
848,947.46/1,171,713.84 = 486,613.99/x - Step 3: Cross multiply
848,947.46x = 1,171,713.84 × 486,613.99 - Step 4: Simplify right side
848,947.46x = 570,172,340,962.05 - Step 5: Solve for x
x = 570,172,340,962.05/848,947.46 - Step 6: Final answer
x = 671,622.65
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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.