Finding the Fourth Proportional to 763,649.44, 1,053,774.57 and 441,380.41
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Solution
The fourth proportional to 763,649.44, 1,053,774.57 and 441,380.41 is: 609,069.33
Step by Step Solution
- Step 1: Write the proportion equation
763,649.44 : 1,053,774.57 = 441,380.41 : x - Step 2: Convert to fraction form
763,649.44/1,053,774.57 = 441,380.41/x - Step 3: Cross multiply
763,649.44x = 1,053,774.57 × 441,380.41 - Step 4: Simplify right side
763,649.44x = 465,115,451,754.17 - Step 5: Solve for x
x = 465,115,451,754.17/763,649.44 - Step 6: Final answer
x = 609,069.33
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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.