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Finding the Fourth Proportional to 598,890.60, 898,335.90 and 299,417.40

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Solution

The fourth proportional to 598,890.60, 898,335.90 and 299,417.40 is: 449,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,890.60 : 898,335.90 = 299,417.40 : x
  2. Step 2: Convert to fraction form
    598,890.60/898,335.90 = 299,417.40/x
  3. Step 3: Cross multiply
    598,890.60x = 898,335.90 × 299,417.40
  4. Step 4: Simplify right side
    598,890.60x = 268,977,399,504.66
  5. Step 5: Solve for x
    x = 268,977,399,504.66/598,890.60
  6. Step 6: Final answer
    x = 449,126.10

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