Finding the Fourth Proportional to 945,927.96, 1,305,408.24 and 516,235.68
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Solution
The fourth proportional to 945,927.96, 1,305,408.24 and 516,235.68 is: 712,420.33
Step by Step Solution
- Step 1: Write the proportion equation
945,927.96 : 1,305,408.24 = 516,235.68 : x - Step 2: Convert to fraction form
945,927.96/1,305,408.24 = 516,235.68/x - Step 3: Cross multiply
945,927.96x = 1,305,408.24 × 516,235.68 - Step 4: Simplify right side
945,927.96x = 673,898,310,454.00 - Step 5: Solve for x
x = 673,898,310,454.00/945,927.96 - Step 6: Final answer
x = 712,420.33
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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.