Finding the Fourth Proportional to 673,225.83, 929,133.32 and 491,846.99
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Solution
The fourth proportional to 673,225.83, 929,133.32 and 491,846.99 is: 678,808.51
Step by Step Solution
- Step 1: Write the proportion equation
673,225.83 : 929,133.32 = 491,846.99 : x - Step 2: Convert to fraction form
673,225.83/929,133.32 = 491,846.99/x - Step 3: Cross multiply
673,225.83x = 929,133.32 × 491,846.99 - Step 4: Simplify right side
673,225.83x = 456,991,419,645.81 - Step 5: Solve for x
x = 456,991,419,645.81/673,225.83 - Step 6: Final answer
x = 678,808.51
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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.