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Finding the Fourth Proportional to 490,831.60, 736,247.40 and 332,201.20

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Solution

The fourth proportional to 490,831.60, 736,247.40 and 332,201.20 is: 498,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,831.60 : 736,247.40 = 332,201.20 : x
  2. Step 2: Convert to fraction form
    490,831.60/736,247.40 = 332,201.20/x
  3. Step 3: Cross multiply
    490,831.60x = 736,247.40 × 332,201.20
  4. Step 4: Simplify right side
    490,831.60x = 244,582,269,776.88
  5. Step 5: Solve for x
    x = 244,582,269,776.88/490,831.60
  6. Step 6: Final answer
    x = 498,301.80

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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.