Finding the Fourth Proportional to 762,763.92, 1,052,610.84 and 423,231.36
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Solution
The fourth proportional to 762,763.92, 1,052,610.84 and 423,231.36 is: 584,057.41
Step by Step Solution
- Step 1: Write the proportion equation
762,763.92 : 1,052,610.84 = 423,231.36 : x - Step 2: Convert to fraction form
762,763.92/1,052,610.84 = 423,231.36/x - Step 3: Cross multiply
762,763.92x = 1,052,610.84 × 423,231.36 - Step 4: Simplify right side
762,763.92x = 445,497,917,363.94 - Step 5: Solve for x
x = 445,497,917,363.94/762,763.92 - Step 6: Final answer
x = 584,057.41
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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.