Home / 814,982.40-1,221,987.60-499,665.60

Finding the Fourth Proportional to 814,982.40, 1,221,987.60 and 499,665.60

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Solution

The fourth proportional to 814,982.40, 1,221,987.60 and 499,665.60 is: 749,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,982.40 : 1,221,987.60 = 499,665.60 : x
  2. Step 2: Convert to fraction form
    814,982.40/1,221,987.60 = 499,665.60/x
  3. Step 3: Cross multiply
    814,982.40x = 1,221,987.60 × 499,665.60
  4. Step 4: Simplify right side
    814,982.40x = 610,585,167,346.56
  5. Step 5: Solve for x
    x = 610,585,167,346.56/814,982.40
  6. Step 6: Final answer
    x = 749,200.43

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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.