Finding the Fourth Proportional to 776,922.57, 1,166,474.21 and 398,115.50
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Solution
The fourth proportional to 776,922.57, 1,166,474.21 and 398,115.50 is: 597,731.97
Step by Step Solution
- Step 1: Write the proportion equation
776,922.57 : 1,166,474.21 = 398,115.50 : x - Step 2: Convert to fraction form
776,922.57/1,166,474.21 = 398,115.50/x - Step 3: Cross multiply
776,922.57x = 1,166,474.21 × 398,115.50 - Step 4: Simplify right side
776,922.57x = 464,391,455,528.31 - Step 5: Solve for x
x = 464,391,455,528.31/776,922.57 - Step 6: Final answer
x = 597,731.97
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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.