Finding the Fourth Proportional to 792,995.13, 1,094,334.21 and 430,418.97
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Solution
The fourth proportional to 792,995.13, 1,094,334.21 and 430,418.97 is: 593,978.68
Step by Step Solution
- Step 1: Write the proportion equation
792,995.13 : 1,094,334.21 = 430,418.97 : x - Step 2: Convert to fraction form
792,995.13/1,094,334.21 = 430,418.97/x - Step 3: Cross multiply
792,995.13x = 1,094,334.21 × 430,418.97 - Step 4: Simplify right side
792,995.13x = 471,022,203,503.96 - Step 5: Solve for x
x = 471,022,203,503.96/792,995.13 - Step 6: Final answer
x = 593,978.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.