Home / 746,996.20-1,120,323.42-214,513

Finding the Fourth Proportional to 746,996.20, 1,120,323.42 and 214,513

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Solution

The fourth proportional to 746,996.20, 1,120,323.42 and 214,513 is: 321,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,996.20 : 1,120,323.42 = 214,513 : x
  2. Step 2: Convert to fraction form
    746,996.20/1,120,323.42 = 214,513/x
  3. Step 3: Cross multiply
    746,996.20x = 1,120,323.42 × 214,513
  4. Step 4: Simplify right side
    746,996.20x = 240,323,937,794.46
  5. Step 5: Solve for x
    x = 240,323,937,794.46/746,996.20
  6. Step 6: Final answer
    x = 321,720.43

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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.