Finding the Fourth Proportional to 945,881.26, 1,305,343.91 and 516,189.13
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Solution
The fourth proportional to 945,881.26, 1,305,343.91 and 516,189.13 is: 712,356.15
Step by Step Solution
- Step 1: Write the proportion equation
945,881.26 : 1,305,343.91 = 516,189.13 : x - Step 2: Convert to fraction form
945,881.26/1,305,343.91 = 516,189.13/x - Step 3: Cross multiply
945,881.26x = 1,305,343.91 × 516,189.13 - Step 4: Simplify right side
945,881.26x = 673,804,337,253.70 - Step 5: Solve for x
x = 673,804,337,253.70/945,881.26 - Step 6: Final answer
x = 712,356.15
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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.