Home / 814,175.40-1,221,044.40-340,762.80

Finding the Fourth Proportional to 814,175.40, 1,221,044.40 and 340,762.80

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Solution

The fourth proportional to 814,175.40, 1,221,044.40 and 340,762.80 is: 511,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,175.40 : 1,221,044.40 = 340,762.80 : x
  2. Step 2: Convert to fraction form
    814,175.40/1,221,044.40 = 340,762.80/x
  3. Step 3: Cross multiply
    814,175.40x = 1,221,044.40 × 340,762.80
  4. Step 4: Simplify right side
    814,175.40x = 416,086,508,668.32
  5. Step 5: Solve for x
    x = 416,086,508,668.32/814,175.40
  6. Step 6: Final answer
    x = 511,052.67

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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.