Finding the Fourth Proportional to 873,156.91, 1,204,954.63 and 491,183.70
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Solution
The fourth proportional to 873,156.91, 1,204,954.63 and 491,183.70 is: 677,832.43
Step by Step Solution
- Step 1: Write the proportion equation
873,156.91 : 1,204,954.63 = 491,183.70 : x - Step 2: Convert to fraction form
873,156.91/1,204,954.63 = 491,183.70/x - Step 3: Cross multiply
873,156.91x = 1,204,954.63 × 491,183.70 - Step 4: Simplify right side
873,156.91x = 591,854,073,495.53 - Step 5: Solve for x
x = 591,854,073,495.53/873,156.91 - Step 6: Final answer
x = 677,832.43
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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.