Home / 752,626.16-1,128,973.40-220,192.80

Finding the Fourth Proportional to 752,626.16, 1,128,973.40 and 220,192.80

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Solution

The fourth proportional to 752,626.16, 1,128,973.40 and 220,192.80 is: 330,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,626.16 : 1,128,973.40 = 220,192.80 : x
  2. Step 2: Convert to fraction form
    752,626.16/1,128,973.40 = 220,192.80/x
  3. Step 3: Cross multiply
    752,626.16x = 1,128,973.40 × 220,192.80
  4. Step 4: Simplify right side
    752,626.16x = 248,591,814,071.52
  5. Step 5: Solve for x
    x = 248,591,814,071.52/752,626.16
  6. Step 6: Final answer
    x = 330,299.19

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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.