Finding the Fourth Proportional to 858,708.28, 1,294,234.68 and 740,195.65
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Solution
The fourth proportional to 858,708.28, 1,294,234.68 and 740,195.65 is: 1,115,613.88
Step by Step Solution
- Step 1: Write the proportion equation
858,708.28 : 1,294,234.68 = 740,195.65 : x - Step 2: Convert to fraction form
858,708.28/1,294,234.68 = 740,195.65/x - Step 3: Cross multiply
858,708.28x = 1,294,234.68 × 740,195.65 - Step 4: Simplify right side
858,708.28x = 957,986,873,743.97 - Step 5: Solve for x
x = 957,986,873,743.97/858,708.28 - Step 6: Final answer
x = 1,115,613.88
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.