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Finding the Fourth Proportional to 354,029.40, 531,044.10 and 340,032.60

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Solution

The fourth proportional to 354,029.40, 531,044.10 and 340,032.60 is: 510,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,029.40 : 531,044.10 = 340,032.60 : x
  2. Step 2: Convert to fraction form
    354,029.40/531,044.10 = 340,032.60/x
  3. Step 3: Cross multiply
    354,029.40x = 531,044.10 × 340,032.60
  4. Step 4: Simplify right side
    354,029.40x = 180,572,306,037.66
  5. Step 5: Solve for x
    x = 180,572,306,037.66/354,029.40
  6. Step 6: Final answer
    x = 510,048.90

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