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Finding the Fourth Proportional to 456,069.60, 683,326.80 and 376,754.40

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Solution

The fourth proportional to 456,069.60, 683,326.80 and 376,754.40 is: 564,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,069.60 : 683,326.80 = 376,754.40 : x
  2. Step 2: Convert to fraction form
    456,069.60/683,326.80 = 376,754.40/x
  3. Step 3: Cross multiply
    456,069.60x = 683,326.80 × 376,754.40
  4. Step 4: Simplify right side
    456,069.60x = 257,446,378,537.92
  5. Step 5: Solve for x
    x = 257,446,378,537.92/456,069.60
  6. Step 6: Final answer
    x = 564,489.23

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