Finding the Fourth Proportional to 848,885.13, 1,170,867.87 and 576,479.70
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Solution
The fourth proportional to 848,885.13, 1,170,867.87 and 576,479.70 is: 795,138.86
Step by Step Solution
- Step 1: Write the proportion equation
848,885.13 : 1,170,867.87 = 576,479.70 : x - Step 2: Convert to fraction form
848,885.13/1,170,867.87 = 576,479.70/x - Step 3: Cross multiply
848,885.13x = 1,170,867.87 × 576,479.70 - Step 4: Simplify right side
848,885.13x = 674,981,558,437.24 - Step 5: Solve for x
x = 674,981,558,437.24/848,885.13 - Step 6: Final answer
x = 795,138.86
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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.