Finding the Fourth Proportional to 826,194.78, 1,239,292.17 and 265,622.94
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Solution
The fourth proportional to 826,194.78, 1,239,292.17 and 265,622.94 is: 398,434.41
Step by Step Solution
- Step 1: Write the proportion equation
826,194.78 : 1,239,292.17 = 265,622.94 : x - Step 2: Convert to fraction form
826,194.78/1,239,292.17 = 265,622.94/x - Step 3: Cross multiply
826,194.78x = 1,239,292.17 × 265,622.94 - Step 4: Simplify right side
826,194.78x = 329,184,429,714.38 - Step 5: Solve for x
x = 329,184,429,714.38/826,194.78 - Step 6: Final answer
x = 398,434.41
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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.