Finding the Fourth Proportional to 657,744.26, 907,687.06 and 355,938.26
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Solution
The fourth proportional to 657,744.26, 907,687.06 and 355,938.26 is: 491,194.79
Step by Step Solution
- Step 1: Write the proportion equation
657,744.26 : 907,687.06 = 355,938.26 : x - Step 2: Convert to fraction form
657,744.26/907,687.06 = 355,938.26/x - Step 3: Cross multiply
657,744.26x = 907,687.06 × 355,938.26 - Step 4: Simplify right side
657,744.26x = 323,080,552,760.92 - Step 5: Solve for x
x = 323,080,552,760.92/657,744.26 - Step 6: Final answer
x = 491,194.79
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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.