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Finding the Fourth Proportional to 464,770.20, 697,155.30 and 305,337.90

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Solution

The fourth proportional to 464,770.20, 697,155.30 and 305,337.90 is: 458,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,770.20 : 697,155.30 = 305,337.90 : x
  2. Step 2: Convert to fraction form
    464,770.20/697,155.30 = 305,337.90/x
  3. Step 3: Cross multiply
    464,770.20x = 697,155.30 × 305,337.90
  4. Step 4: Simplify right side
    464,770.20x = 212,867,935,275.87
  5. Step 5: Solve for x
    x = 212,867,935,275.87/464,770.20
  6. Step 6: Final answer
    x = 458,006.85

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