Finding the Fourth Proportional to 828,911.80, 1,244,023.80 and 323,714.80
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Solution
The fourth proportional to 828,911.80, 1,244,023.80 and 323,714.80 is: 485,828.43
Step by Step Solution
- Step 1: Write the proportion equation
828,911.80 : 1,244,023.80 = 323,714.80 : x - Step 2: Convert to fraction form
828,911.80/1,244,023.80 = 323,714.80/x - Step 3: Cross multiply
828,911.80x = 1,244,023.80 × 323,714.80 - Step 4: Simplify right side
828,911.80x = 402,708,915,612.24 - Step 5: Solve for x
x = 402,708,915,612.24/828,911.80 - Step 6: Final answer
x = 485,828.43
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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.