Finding the Fourth Proportional to 706,566.76, 1,059,593.76 and 386,956.12
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Solution
The fourth proportional to 706,566.76, 1,059,593.76 and 386,956.12 is: 580,293.77
Step by Step Solution
- Step 1: Write the proportion equation
706,566.76 : 1,059,593.76 = 386,956.12 : x - Step 2: Convert to fraction form
706,566.76/1,059,593.76 = 386,956.12/x - Step 3: Cross multiply
706,566.76x = 1,059,593.76 × 386,956.12 - Step 4: Simplify right side
706,566.76x = 410,016,290,145.81 - Step 5: Solve for x
x = 410,016,290,145.81/706,566.76 - Step 6: Final answer
x = 580,293.77
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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.