Finding the Fourth Proportional to 843,318.54, 1,163,788.74 and 461,337.12
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Solution
The fourth proportional to 843,318.54, 1,163,788.74 and 461,337.12 is: 636,650.23
Step by Step Solution
- Step 1: Write the proportion equation
843,318.54 : 1,163,788.74 = 461,337.12 : x - Step 2: Convert to fraction form
843,318.54/1,163,788.74 = 461,337.12/x - Step 3: Cross multiply
843,318.54x = 1,163,788.74 × 461,337.12 - Step 4: Simplify right side
843,318.54x = 536,898,945,600.03 - Step 5: Solve for x
x = 536,898,945,600.03/843,318.54 - Step 6: Final answer
x = 636,650.23
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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.