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Finding the Fourth Proportional to 473,480.80, 710,221.20 and 398,831.20

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Solution

The fourth proportional to 473,480.80, 710,221.20 and 398,831.20 is: 598,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,480.80 : 710,221.20 = 398,831.20 : x
  2. Step 2: Convert to fraction form
    473,480.80/710,221.20 = 398,831.20/x
  3. Step 3: Cross multiply
    473,480.80x = 710,221.20 × 398,831.20
  4. Step 4: Simplify right side
    473,480.80x = 283,258,373,461.44
  5. Step 5: Solve for x
    x = 283,258,373,461.44/473,480.80
  6. Step 6: Final answer
    x = 598,246.80

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