Home / 752,401.51-1,128,831.90-240,053.02

Finding the Fourth Proportional to 752,401.51, 1,128,831.90 and 240,053.02

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Solution

The fourth proportional to 752,401.51, 1,128,831.90 and 240,053.02 is: 360,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,401.51 : 1,128,831.90 = 240,053.02 : x
  2. Step 2: Convert to fraction form
    752,401.51/1,128,831.90 = 240,053.02/x
  3. Step 3: Cross multiply
    752,401.51x = 1,128,831.90 × 240,053.02
  4. Step 4: Simplify right side
    752,401.51x = 270,979,502,945.06
  5. Step 5: Solve for x
    x = 270,979,502,945.06/752,401.51
  6. Step 6: Final answer
    x = 360,152.79

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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.