Home / 826,330.50-1,240,020.09-353,019.42

Finding the Fourth Proportional to 826,330.50, 1,240,020.09 and 353,019.42

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Solution

The fourth proportional to 826,330.50, 1,240,020.09 and 353,019.42 is: 529,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,330.50 : 1,240,020.09 = 353,019.42 : x
  2. Step 2: Convert to fraction form
    826,330.50/1,240,020.09 = 353,019.42/x
  3. Step 3: Cross multiply
    826,330.50x = 1,240,020.09 × 353,019.42
  4. Step 4: Simplify right side
    826,330.50x = 437,751,172,960.15
  5. Step 5: Solve for x
    x = 437,751,172,960.15/826,330.50
  6. Step 6: Final answer
    x = 529,753.14

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Similar ratio
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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.