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Finding the Fourth Proportional to 346,510.40, 519,328.20 and 252,906.80

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Solution

The fourth proportional to 346,510.40, 519,328.20 and 252,906.80 is: 379,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,510.40 : 519,328.20 = 252,906.80 : x
  2. Step 2: Convert to fraction form
    346,510.40/519,328.20 = 252,906.80/x
  3. Step 3: Cross multiply
    346,510.40x = 519,328.20 × 252,906.80
  4. Step 4: Simplify right side
    346,510.40x = 131,341,633,211.76
  5. Step 5: Solve for x
    x = 131,341,633,211.76/346,510.40
  6. Step 6: Final answer
    x = 379,040.96

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