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Finding the Fourth Proportional to 603,319.40, 832,725.78 and 345,345.89

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Solution

The fourth proportional to 603,319.40, 832,725.78 and 345,345.89 is: 476,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,319.40 : 832,725.78 = 345,345.89 : x
  2. Step 2: Convert to fraction form
    603,319.40/832,725.78 = 345,345.89/x
  3. Step 3: Cross multiply
    603,319.40x = 832,725.78 × 345,345.89
  4. Step 4: Simplify right side
    603,319.40x = 287,578,424,845.45
  5. Step 5: Solve for x
    x = 287,578,424,845.45/603,319.40
  6. Step 6: Final answer
    x = 476,660.33

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