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Finding the Fourth Proportional to 353,457.20, 529,408.20 and 306,801.20

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Solution

The fourth proportional to 353,457.20, 529,408.20 and 306,801.20 is: 459,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,457.20 : 529,408.20 = 306,801.20 : x
  2. Step 2: Convert to fraction form
    353,457.20/529,408.20 = 306,801.20/x
  3. Step 3: Cross multiply
    353,457.20x = 529,408.20 × 306,801.20
  4. Step 4: Simplify right side
    353,457.20x = 162,423,071,049.84
  5. Step 5: Solve for x
    x = 162,423,071,049.84/353,457.20
  6. Step 6: Final answer
    x = 459,526.84

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