Finding the Fourth Proportional to 696,176.40, 1,043,456.41 and 263,618.79
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Solution
The fourth proportional to 696,176.40, 1,043,456.41 and 263,618.79 is: 395,122.14
Step by Step Solution
- Step 1: Write the proportion equation
696,176.40 : 1,043,456.41 = 263,618.79 : x - Step 2: Convert to fraction form
696,176.40/1,043,456.41 = 263,618.79/x - Step 3: Cross multiply
696,176.40x = 1,043,456.41 × 263,618.79 - Step 4: Simplify right side
696,176.40x = 275,074,712,638.51 - Step 5: Solve for x
x = 275,074,712,638.51/696,176.40 - Step 6: Final answer
x = 395,122.14
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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.