Finding the Fourth Proportional to 698,415.34, 1,046,745.46 and 298,586.18
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Solution
The fourth proportional to 698,415.34, 1,046,745.46 and 298,586.18 is: 447,504.10
Step by Step Solution
- Step 1: Write the proportion equation
698,415.34 : 1,046,745.46 = 298,586.18 : x - Step 2: Convert to fraction form
698,415.34/1,046,745.46 = 298,586.18/x - Step 3: Cross multiply
698,415.34x = 1,046,745.46 × 298,586.18 - Step 4: Simplify right side
698,415.34x = 312,543,728,333.74 - Step 5: Solve for x
x = 312,543,728,333.74/698,415.34 - Step 6: Final answer
x = 447,504.10
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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.