Finding the Fourth Proportional to 826,306, 1,239,218.68 and 346,520.56
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Solution
The fourth proportional to 826,306, 1,239,218.68 and 346,520.56 is: 519,680.06
Step by Step Solution
- Step 1: Write the proportion equation
826,306 : 1,239,218.68 = 346,520.56 : x - Step 2: Convert to fraction form
826,306/1,239,218.68 = 346,520.56/x - Step 3: Cross multiply
826,306x = 1,239,218.68 × 346,520.56 - Step 4: Simplify right side
826,306x = 429,414,750,956.06 - Step 5: Solve for x
x = 429,414,750,956.06/826,306 - Step 6: Final answer
x = 519,680.06
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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.