Finding the Fourth Proportional to 483,117.08, 721,422.28 and 394,546.28
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Solution
The fourth proportional to 483,117.08, 721,422.28 and 394,546.28 is: 589,162.52
Step by Step Solution
- Step 1: Write the proportion equation
483,117.08 : 721,422.28 = 394,546.28 : x - Step 2: Convert to fraction form
483,117.08/721,422.28 = 394,546.28/x - Step 3: Cross multiply
483,117.08x = 721,422.28 × 394,546.28 - Step 4: Simplify right side
483,117.08x = 284,634,477,700.31 - Step 5: Solve for x
x = 284,634,477,700.31/483,117.08 - Step 6: Final answer
x = 589,162.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.