Finding the Fourth Proportional to 628,714.98, 867,591.36 and 342,217.98
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Solution
The fourth proportional to 628,714.98, 867,591.36 and 342,217.98 is: 472,241.59
Step by Step Solution
- Step 1: Write the proportion equation
628,714.98 : 867,591.36 = 342,217.98 : x - Step 2: Convert to fraction form
628,714.98/867,591.36 = 342,217.98/x - Step 3: Cross multiply
628,714.98x = 867,591.36 × 342,217.98 - Step 4: Simplify right side
628,714.98x = 296,905,362,684.65 - Step 5: Solve for x
x = 296,905,362,684.65/628,714.98 - Step 6: Final answer
x = 472,241.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.