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Finding the Fourth Proportional to 452,831.20, 679,246.80 and 403,842.40

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Solution

The fourth proportional to 452,831.20, 679,246.80 and 403,842.40 is: 605,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,831.20 : 679,246.80 = 403,842.40 : x
  2. Step 2: Convert to fraction form
    452,831.20/679,246.80 = 403,842.40/x
  3. Step 3: Cross multiply
    452,831.20x = 679,246.80 × 403,842.40
  4. Step 4: Simplify right side
    452,831.20x = 274,308,657,904.32
  5. Step 5: Solve for x
    x = 274,308,657,904.32/452,831.20
  6. Step 6: Final answer
    x = 605,763.60

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