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Finding the Fourth Proportional to 412,836.30, 619,254.45 and 369,533.70

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Solution

The fourth proportional to 412,836.30, 619,254.45 and 369,533.70 is: 554,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,836.30 : 619,254.45 = 369,533.70 : x
  2. Step 2: Convert to fraction form
    412,836.30/619,254.45 = 369,533.70/x
  3. Step 3: Cross multiply
    412,836.30x = 619,254.45 × 369,533.70
  4. Step 4: Simplify right side
    412,836.30x = 228,835,388,149.97
  5. Step 5: Solve for x
    x = 228,835,388,149.97/412,836.30
  6. Step 6: Final answer
    x = 554,300.55

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