Finding the Fourth Proportional to 848,885.99, 1,171,629.09 and 486,552.74
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Solution
The fourth proportional to 848,885.99, 1,171,629.09 and 486,552.74 is: 671,538.17
Step by Step Solution
- Step 1: Write the proportion equation
848,885.99 : 1,171,629.09 = 486,552.74 : x - Step 2: Convert to fraction form
848,885.99/1,171,629.09 = 486,552.74/x - Step 3: Cross multiply
848,885.99x = 1,171,629.09 × 486,552.74 - Step 4: Simplify right side
848,885.99x = 570,059,338,145.06 - Step 5: Solve for x
x = 570,059,338,145.06/848,885.99 - Step 6: Final answer
x = 671,538.17
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1.5x scale
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.