Finding the Fourth Proportional to 945,927.99, 1,305,408.15 and 516,235.82
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Solution
The fourth proportional to 945,927.99, 1,305,408.15 and 516,235.82 is: 712,420.45
Step by Step Solution
- Step 1: Write the proportion equation
945,927.99 : 1,305,408.15 = 516,235.82 : x - Step 2: Convert to fraction form
945,927.99/1,305,408.15 = 516,235.82/x - Step 3: Cross multiply
945,927.99x = 1,305,408.15 × 516,235.82 - Step 4: Simplify right side
945,927.99x = 673,898,440,222.89 - Step 5: Solve for x
x = 673,898,440,222.89/945,927.99 - Step 6: Final answer
x = 712,420.45
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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.