Finding the Fourth Proportional to 819,403.29, 1,130,668.07 and 497,126.97
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Solution
The fourth proportional to 819,403.29, 1,130,668.07 and 497,126.97 is: 685,969.41
Step by Step Solution
- Step 1: Write the proportion equation
819,403.29 : 1,130,668.07 = 497,126.97 : x - Step 2: Convert to fraction form
819,403.29/1,130,668.07 = 497,126.97/x - Step 3: Cross multiply
819,403.29x = 1,130,668.07 × 497,126.97 - Step 4: Simplify right side
819,403.29x = 562,085,589,229.21 - Step 5: Solve for x
x = 562,085,589,229.21/819,403.29 - Step 6: Final answer
x = 685,969.41
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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.