Finding the Fourth Proportional to 762,353.25, 1,052,028.24 and 435,645.49
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Solution
The fourth proportional to 762,353.25, 1,052,028.24 and 435,645.49 is: 601,179.78
Step by Step Solution
- Step 1: Write the proportion equation
762,353.25 : 1,052,028.24 = 435,645.49 : x - Step 2: Convert to fraction form
762,353.25/1,052,028.24 = 435,645.49/x - Step 3: Cross multiply
762,353.25x = 1,052,028.24 × 435,645.49 - Step 4: Simplify right side
762,353.25x = 458,311,358,108.64 - Step 5: Solve for x
x = 458,311,358,108.64/762,353.25 - Step 6: Final answer
x = 601,179.78
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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.