Finding the Fourth Proportional to 998,346.56, 1,377,715.84 and 545,640.80
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Solution
The fourth proportional to 998,346.56, 1,377,715.84 and 545,640.80 is: 752,982.99
Step by Step Solution
- Step 1: Write the proportion equation
998,346.56 : 1,377,715.84 = 545,640.80 : x - Step 2: Convert to fraction form
998,346.56/1,377,715.84 = 545,640.80/x - Step 3: Cross multiply
998,346.56x = 1,377,715.84 × 545,640.80 - Step 4: Simplify right side
998,346.56x = 751,737,973,110.27 - Step 5: Solve for x
x = 751,737,973,110.27/998,346.56 - Step 6: Final answer
x = 752,982.99
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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.