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Finding the Fourth Proportional to 576,037.40, 864,056.10 and 398,744.60

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Solution

The fourth proportional to 576,037.40, 864,056.10 and 398,744.60 is: 598,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,037.40 : 864,056.10 = 398,744.60 : x
  2. Step 2: Convert to fraction form
    576,037.40/864,056.10 = 398,744.60/x
  3. Step 3: Cross multiply
    576,037.40x = 864,056.10 × 398,744.60
  4. Step 4: Simplify right side
    576,037.40x = 344,537,703,972.06
  5. Step 5: Solve for x
    x = 344,537,703,972.06/576,037.40
  6. Step 6: Final answer
    x = 598,116.90

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