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Finding the Fourth Proportional to 477,967.20, 716,950.80 and 454,639.20

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Solution

The fourth proportional to 477,967.20, 716,950.80 and 454,639.20 is: 681,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,967.20 : 716,950.80 = 454,639.20 : x
  2. Step 2: Convert to fraction form
    477,967.20/716,950.80 = 454,639.20/x
  3. Step 3: Cross multiply
    477,967.20x = 716,950.80 × 454,639.20
  4. Step 4: Simplify right side
    477,967.20x = 325,953,938,151.36
  5. Step 5: Solve for x
    x = 325,953,938,151.36/477,967.20
  6. Step 6: Final answer
    x = 681,958.80

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