Finding the Fourth Proportional to 916,142.98, 1,373,550.18 and 615,878.84
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Solution
The fourth proportional to 916,142.98, 1,373,550.18 and 615,878.84 is: 923,371.69
Step by Step Solution
- Step 1: Write the proportion equation
916,142.98 : 1,373,550.18 = 615,878.84 : x - Step 2: Convert to fraction form
916,142.98/1,373,550.18 = 615,878.84/x - Step 3: Cross multiply
916,142.98x = 1,373,550.18 × 615,878.84 - Step 4: Simplify right side
916,142.98x = 845,940,491,540.19 - Step 5: Solve for x
x = 845,940,491,540.19/916,142.98 - Step 6: Final answer
x = 923,371.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.