Finding the Fourth Proportional to 668,029.73, 1,001,890.92 and 398,234.07
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Solution
The fourth proportional to 668,029.73, 1,001,890.92 and 398,234.07 is: 597,259.50
Step by Step Solution
- Step 1: Write the proportion equation
668,029.73 : 1,001,890.92 = 398,234.07 : x - Step 2: Convert to fraction form
668,029.73/1,001,890.92 = 398,234.07/x - Step 3: Cross multiply
668,029.73x = 1,001,890.92 × 398,234.07 - Step 4: Simplify right side
668,029.73x = 398,987,100,261.02 - Step 5: Solve for x
x = 398,987,100,261.02/668,029.73 - Step 6: Final answer
x = 597,259.50
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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.