Finding the Fourth Proportional to 911,134.40, 1,257,608.67 and 523,992.14
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Solution
The fourth proportional to 911,134.40, 1,257,608.67 and 523,992.14 is: 723,249.02
Step by Step Solution
- Step 1: Write the proportion equation
911,134.40 : 1,257,608.67 = 523,992.14 : x - Step 2: Convert to fraction form
911,134.40/1,257,608.67 = 523,992.14/x - Step 3: Cross multiply
911,134.40x = 1,257,608.67 × 523,992.14 - Step 4: Simplify right side
911,134.40x = 658,977,058,275.85 - Step 5: Solve for x
x = 658,977,058,275.85/911,134.40 - Step 6: Final answer
x = 723,249.02
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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.