Finding the Fourth Proportional to 893,892.22, 1,233,595.56 and 486,021.58
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Solution
The fourth proportional to 893,892.22, 1,233,595.56 and 486,021.58 is: 670,722.99
Step by Step Solution
- Step 1: Write the proportion equation
893,892.22 : 1,233,595.56 = 486,021.58 : x - Step 2: Convert to fraction form
893,892.22/1,233,595.56 = 486,021.58/x - Step 3: Cross multiply
893,892.22x = 1,233,595.56 × 486,021.58 - Step 4: Simplify right side
893,892.22x = 599,554,063,152.19 - Step 5: Solve for x
x = 599,554,063,152.19/893,892.22 - Step 6: Final answer
x = 670,722.99
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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.