Home / 756,882.78-1,134,905.40-301,012.35

Finding the Fourth Proportional to 756,882.78, 1,134,905.40 and 301,012.35

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Solution

The fourth proportional to 756,882.78, 1,134,905.40 and 301,012.35 is: 451,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,882.78 : 1,134,905.40 = 301,012.35 : x
  2. Step 2: Convert to fraction form
    756,882.78/1,134,905.40 = 301,012.35/x
  3. Step 3: Cross multiply
    756,882.78x = 1,134,905.40 × 301,012.35
  4. Step 4: Simplify right side
    756,882.78x = 341,620,541,481.69
  5. Step 5: Solve for x
    x = 341,620,541,481.69/756,882.78
  6. Step 6: Final answer
    x = 451,351.98

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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.