Finding the Fourth Proportional to 589,714.08, 812,980.92 and 498,704.08
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Solution
The fourth proportional to 589,714.08, 812,980.92 and 498,704.08 is: 687,514.37
Step by Step Solution
- Step 1: Write the proportion equation
589,714.08 : 812,980.92 = 498,704.08 : x - Step 2: Convert to fraction form
589,714.08/812,980.92 = 498,704.08/x - Step 3: Cross multiply
589,714.08x = 812,980.92 × 498,704.08 - Step 4: Simplify right side
589,714.08x = 405,436,901,766.15 - Step 5: Solve for x
x = 405,436,901,766.15/589,714.08 - Step 6: Final answer
x = 687,514.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.