Finding the Fourth Proportional to 673,682.93, 929,985.56 and 444,375.98
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Solution
The fourth proportional to 673,682.93, 929,985.56 and 444,375.98 is: 613,438.79
Step by Step Solution
- Step 1: Write the proportion equation
673,682.93 : 929,985.56 = 444,375.98 : x - Step 2: Convert to fraction form
673,682.93/929,985.56 = 444,375.98/x - Step 3: Cross multiply
673,682.93x = 929,985.56 × 444,375.98 - Step 4: Simplify right side
673,682.93x = 413,263,237,739.04 - Step 5: Solve for x
x = 413,263,237,739.04/673,682.93 - Step 6: Final answer
x = 613,438.79
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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.