Finding the Fourth Proportional to 982,840.55, 1,474,361.46 and 376,139.21
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Solution
The fourth proportional to 982,840.55, 1,474,361.46 and 376,139.21 is: 564,247.32
Step by Step Solution
- Step 1: Write the proportion equation
982,840.55 : 1,474,361.46 = 376,139.21 : x - Step 2: Convert to fraction form
982,840.55/1,474,361.46 = 376,139.21/x - Step 3: Cross multiply
982,840.55x = 1,474,361.46 × 376,139.21 - Step 4: Simplify right side
982,840.55x = 554,565,147,447.04 - Step 5: Solve for x
x = 554,565,147,447.04/982,840.55 - Step 6: Final answer
x = 564,247.32
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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.