Finding the Fourth Proportional to 998,446.26, 1,377,856.53 and 545,737.26
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Solution
The fourth proportional to 998,446.26, 1,377,856.53 and 545,737.26 is: 753,117.80
Step by Step Solution
- Step 1: Write the proportion equation
998,446.26 : 1,377,856.53 = 545,737.26 : x - Step 2: Convert to fraction form
998,446.26/1,377,856.53 = 545,737.26/x - Step 3: Cross multiply
998,446.26x = 1,377,856.53 × 545,737.26 - Step 4: Simplify right side
998,446.26x = 751,947,647,355.31 - Step 5: Solve for x
x = 751,947,647,355.31/998,446.26 - Step 6: Final answer
x = 753,117.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.