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Finding the Fourth Proportional to 358,471.80, 537,999.30 and 346,807.80

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Solution

The fourth proportional to 358,471.80, 537,999.30 and 346,807.80 is: 520,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,471.80 : 537,999.30 = 346,807.80 : x
  2. Step 2: Convert to fraction form
    358,471.80/537,999.30 = 346,807.80/x
  3. Step 3: Cross multiply
    358,471.80x = 537,999.30 × 346,807.80
  4. Step 4: Simplify right side
    358,471.80x = 186,582,353,634.54
  5. Step 5: Solve for x
    x = 186,582,353,634.54/358,471.80
  6. Step 6: Final answer
    x = 520,493.81

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