Finding the Fourth Proportional to 945,887.34, 1,305,352.29 and 516,195.18
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Solution
The fourth proportional to 945,887.34, 1,305,352.29 and 516,195.18 is: 712,364.50
Step by Step Solution
- Step 1: Write the proportion equation
945,887.34 : 1,305,352.29 = 516,195.18 : x - Step 2: Convert to fraction form
945,887.34/1,305,352.29 = 516,195.18/x - Step 3: Cross multiply
945,887.34x = 1,305,352.29 × 516,195.18 - Step 4: Simplify right side
945,887.34x = 673,816,560,299.96 - Step 5: Solve for x
x = 673,816,560,299.96/945,887.34 - Step 6: Final answer
x = 712,364.50
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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.