Finding the Fourth Proportional to 859,614.36, 1,186,215.68 and 477,628.08
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Solution
The fourth proportional to 859,614.36, 1,186,215.68 and 477,628.08 is: 659,097.78
Step by Step Solution
- Step 1: Write the proportion equation
859,614.36 : 1,186,215.68 = 477,628.08 : x - Step 2: Convert to fraction form
859,614.36/1,186,215.68 = 477,628.08/x - Step 3: Cross multiply
859,614.36x = 1,186,215.68 × 477,628.08 - Step 4: Simplify right side
859,614.36x = 566,569,917,704.29 - Step 5: Solve for x
x = 566,569,917,704.29/859,614.36 - Step 6: Final answer
x = 659,097.78
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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.