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Finding the Fourth Proportional to 477,133.20, 715,699.80 and 228,301.20

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Solution

The fourth proportional to 477,133.20, 715,699.80 and 228,301.20 is: 342,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,133.20 : 715,699.80 = 228,301.20 : x
  2. Step 2: Convert to fraction form
    477,133.20/715,699.80 = 228,301.20/x
  3. Step 3: Cross multiply
    477,133.20x = 715,699.80 × 228,301.20
  4. Step 4: Simplify right side
    477,133.20x = 163,395,123,179.76
  5. Step 5: Solve for x
    x = 163,395,123,179.76/477,133.20
  6. Step 6: Final answer
    x = 342,451.80

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