Finding the Fourth Proportional to 848,694.81, 1,170,867.35 and 485,924.79
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Solution
The fourth proportional to 848,694.81, 1,170,867.35 and 485,924.79 is: 670,386.41
Step by Step Solution
- Step 1: Write the proportion equation
848,694.81 : 1,170,867.35 = 485,924.79 : x - Step 2: Convert to fraction form
848,694.81/1,170,867.35 = 485,924.79/x - Step 3: Cross multiply
848,694.81x = 1,170,867.35 × 485,924.79 - Step 4: Simplify right side
848,694.81x = 568,953,466,527.08 - Step 5: Solve for x
x = 568,953,466,527.08/848,694.81 - Step 6: Final answer
x = 670,386.41
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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.