Finding the Fourth Proportional to 848,695.14, 1,171,110.71 and 486,134.28
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Solution
The fourth proportional to 848,695.14, 1,171,110.71 and 486,134.28 is: 670,814.56
Step by Step Solution
- Step 1: Write the proportion equation
848,695.14 : 1,171,110.71 = 486,134.28 : x - Step 2: Convert to fraction form
848,695.14/1,171,110.71 = 486,134.28/x - Step 3: Cross multiply
848,695.14x = 1,171,110.71 × 486,134.28 - Step 4: Simplify right side
848,695.14x = 569,317,059,375.47 - Step 5: Solve for x
x = 569,317,059,375.47/848,695.14 - Step 6: Final answer
x = 670,814.56
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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.