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Finding the Fourth Proportional to 637,940.04, 879,765.92 and 465,585.00

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Solution

The fourth proportional to 637,940.04, 879,765.92 and 465,585.00 is: 642,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,940.04 : 879,765.92 = 465,585.00 : x
  2. Step 2: Convert to fraction form
    637,940.04/879,765.92 = 465,585.00/x
  3. Step 3: Cross multiply
    637,940.04x = 879,765.92 × 465,585.00
  4. Step 4: Simplify right side
    637,940.04x = 409,605,811,982.10
  5. Step 5: Solve for x
    x = 409,605,811,982.10/637,940.04
  6. Step 6: Final answer
    x = 642,075.73

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