Finding the Fourth Proportional to 739,807.93, 1,110,295.29 and 379,964.21
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Solution
The fourth proportional to 739,807.93, 1,110,295.29 and 379,964.21 is: 570,245.95
Step by Step Solution
- Step 1: Write the proportion equation
739,807.93 : 1,110,295.29 = 379,964.21 : x - Step 2: Convert to fraction form
739,807.93/1,110,295.29 = 379,964.21/x - Step 3: Cross multiply
739,807.93x = 1,110,295.29 × 379,964.21 - Step 4: Simplify right side
739,807.93x = 421,872,472,731.57 - Step 5: Solve for x
x = 421,872,472,731.57/739,807.93 - Step 6: Final answer
x = 570,245.95
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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.