Finding the Fourth Proportional to 681,277.08, 940,117.34 and 409,183.28
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Solution
The fourth proportional to 681,277.08, 940,117.34 and 409,183.28 is: 564,645.88
Step by Step Solution
- Step 1: Write the proportion equation
681,277.08 : 940,117.34 = 409,183.28 : x - Step 2: Convert to fraction form
681,277.08/940,117.34 = 409,183.28/x - Step 3: Cross multiply
681,277.08x = 940,117.34 × 409,183.28 - Step 4: Simplify right side
681,277.08x = 384,680,296,766.08 - Step 5: Solve for x
x = 384,680,296,766.08/681,277.08 - Step 6: Final answer
x = 564,645.88
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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.