Home / 752,078.76-1,127,786.04-352,396.68

Finding the Fourth Proportional to 752,078.76, 1,127,786.04 and 352,396.68

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Solution

The fourth proportional to 752,078.76, 1,127,786.04 and 352,396.68 is: 528,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,078.76 : 1,127,786.04 = 352,396.68 : x
  2. Step 2: Convert to fraction form
    752,078.76/1,127,786.04 = 352,396.68/x
  3. Step 3: Cross multiply
    752,078.76x = 1,127,786.04 × 352,396.68
  4. Step 4: Simplify right side
    752,078.76x = 397,428,056,246.35
  5. Step 5: Solve for x
    x = 397,428,056,246.35/752,078.76
  6. Step 6: Final answer
    x = 528,439.41

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1.5x scale

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.