Finding the Fourth Proportional to 457,582.42, 686,612.94 and 332,257.90
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Solution
The fourth proportional to 457,582.42, 686,612.94 and 332,257.90 is: 498,560.62
Step by Step Solution
- Step 1: Write the proportion equation
457,582.42 : 686,612.94 = 332,257.90 : x - Step 2: Convert to fraction form
457,582.42/686,612.94 = 332,257.90/x - Step 3: Cross multiply
457,582.42x = 686,612.94 × 332,257.90 - Step 4: Simplify right side
457,582.42x = 228,132,573,557.23 - Step 5: Solve for x
x = 228,132,573,557.23/457,582.42 - Step 6: Final answer
x = 498,560.62
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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.