Home / 752,292.90-1,128,512.25-219,802.14

Finding the Fourth Proportional to 752,292.90, 1,128,512.25 and 219,802.14

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Solution

The fourth proportional to 752,292.90, 1,128,512.25 and 219,802.14 is: 329,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,292.90 : 1,128,512.25 = 219,802.14 : x
  2. Step 2: Convert to fraction form
    752,292.90/1,128,512.25 = 219,802.14/x
  3. Step 3: Cross multiply
    752,292.90x = 1,128,512.25 × 219,802.14
  4. Step 4: Simplify right side
    752,292.90x = 248,049,407,566.22
  5. Step 5: Solve for x
    x = 248,049,407,566.22/752,292.90
  6. Step 6: Final answer
    x = 329,724.51

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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.