Finding the Fourth Proportional to 486,493.83, 729,740.68 and 354,215.84
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Solution
The fourth proportional to 486,493.83, 729,740.68 and 354,215.84 is: 531,323.70
Step by Step Solution
- Step 1: Write the proportion equation
486,493.83 : 729,740.68 = 354,215.84 : x - Step 2: Convert to fraction form
486,493.83/729,740.68 = 354,215.84/x - Step 3: Cross multiply
486,493.83x = 729,740.68 × 354,215.84 - Step 4: Simplify right side
486,493.83x = 258,485,703,414.13 - Step 5: Solve for x
x = 258,485,703,414.13/486,493.83 - Step 6: Final answer
x = 531,323.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.