Finding the Fourth Proportional to 720,998.68, 1,081,559.73 and 188,518.84
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Solution
The fourth proportional to 720,998.68, 1,081,559.73 and 188,518.84 is: 282,794.40
Step by Step Solution
- Step 1: Write the proportion equation
720,998.68 : 1,081,559.73 = 188,518.84 : x - Step 2: Convert to fraction form
720,998.68/1,081,559.73 = 188,518.84/x - Step 3: Cross multiply
720,998.68x = 1,081,559.73 × 188,518.84 - Step 4: Simplify right side
720,998.68x = 203,894,385,690.31 - Step 5: Solve for x
x = 203,894,385,690.31/720,998.68 - Step 6: Final answer
x = 282,794.40
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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.