Finding the Fourth Proportional to 782,354.42, 1,173,714.70 and 242,582.30
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Solution
The fourth proportional to 782,354.42, 1,173,714.70 and 242,582.30 is: 363,930.21
Step by Step Solution
- Step 1: Write the proportion equation
782,354.42 : 1,173,714.70 = 242,582.30 : x - Step 2: Convert to fraction form
782,354.42/1,173,714.70 = 242,582.30/x - Step 3: Cross multiply
782,354.42x = 1,173,714.70 × 242,582.30 - Step 4: Simplify right side
782,354.42x = 284,722,411,469.81 - Step 5: Solve for x
x = 284,722,411,469.81/782,354.42 - Step 6: Final answer
x = 363,930.21
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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.