Home / 919,849.36-1,379,668.92-245,983.20

Finding the Fourth Proportional to 919,849.36, 1,379,668.92 and 245,983.20

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Solution

The fourth proportional to 919,849.36, 1,379,668.92 and 245,983.20 is: 368,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,849.36 : 1,379,668.92 = 245,983.20 : x
  2. Step 2: Convert to fraction form
    919,849.36/1,379,668.92 = 245,983.20/x
  3. Step 3: Cross multiply
    919,849.36x = 1,379,668.92 × 245,983.20
  4. Step 4: Simplify right side
    919,849.36x = 339,375,375,882.14
  5. Step 5: Solve for x
    x = 339,375,375,882.14/919,849.36
  6. Step 6: Final answer
    x = 368,946.69

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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.