Finding the Fourth Proportional to 754,176.42, 1,040,736.87 and 414,642.06
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Solution
The fourth proportional to 754,176.42, 1,040,736.87 and 414,642.06 is: 572,191.42
Step by Step Solution
- Step 1: Write the proportion equation
754,176.42 : 1,040,736.87 = 414,642.06 : x - Step 2: Convert to fraction form
754,176.42/1,040,736.87 = 414,642.06/x - Step 3: Cross multiply
754,176.42x = 1,040,736.87 × 414,642.06 - Step 4: Simplify right side
754,176.42x = 431,533,279,694.75 - Step 5: Solve for x
x = 431,533,279,694.75/754,176.42 - Step 6: Final answer
x = 572,191.42
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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.