Finding the Fourth Proportional to 876,327.70, 1,314,491.55 and 498,414.10
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Solution
The fourth proportional to 876,327.70, 1,314,491.55 and 498,414.10 is: 747,621.15
Step by Step Solution
- Step 1: Write the proportion equation
876,327.70 : 1,314,491.55 = 498,414.10 : x - Step 2: Convert to fraction form
876,327.70/1,314,491.55 = 498,414.10/x - Step 3: Cross multiply
876,327.70x = 1,314,491.55 × 498,414.10 - Step 4: Simplify right side
876,327.70x = 655,161,122,850.86 - Step 5: Solve for x
x = 655,161,122,850.86/876,327.70 - Step 6: Final answer
x = 747,621.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.