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Finding the Fourth Proportional to 447,280.40, 671,698.20 and 237,328.40

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Solution

The fourth proportional to 447,280.40, 671,698.20 and 237,328.40 is: 356,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,280.40 : 671,698.20 = 237,328.40 : x
  2. Step 2: Convert to fraction form
    447,280.40/671,698.20 = 237,328.40/x
  3. Step 3: Cross multiply
    447,280.40x = 671,698.20 × 237,328.40
  4. Step 4: Simplify right side
    447,280.40x = 159,413,059,088.88
  5. Step 5: Solve for x
    x = 159,413,059,088.88/447,280.40
  6. Step 6: Final answer
    x = 356,405.20

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