Finding the Fourth Proportional to 899,628.62, 1,241,486.44 and 491,733.14
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Solution
The fourth proportional to 899,628.62, 1,241,486.44 and 491,733.14 is: 678,591.16
Step by Step Solution
- Step 1: Write the proportion equation
899,628.62 : 1,241,486.44 = 491,733.14 : x - Step 2: Convert to fraction form
899,628.62/1,241,486.44 = 491,733.14/x - Step 3: Cross multiply
899,628.62x = 1,241,486.44 × 491,733.14 - Step 4: Simplify right side
899,628.62x = 610,480,025,408.62 - Step 5: Solve for x
x = 610,480,025,408.62/899,628.62 - Step 6: Final answer
x = 678,591.16
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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.