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Finding the Fourth Proportional to 448,362.30, 671,210.79 and 447,771.81

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Solution

The fourth proportional to 448,362.30, 671,210.79 and 447,771.81 is: 670,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,362.30 : 671,210.79 = 447,771.81 : x
  2. Step 2: Convert to fraction form
    448,362.30/671,210.79 = 447,771.81/x
  3. Step 3: Cross multiply
    448,362.30x = 671,210.79 × 447,771.81
  4. Step 4: Simplify right side
    448,362.30x = 300,549,270,329.83
  5. Step 5: Solve for x
    x = 300,549,270,329.83/448,362.30
  6. Step 6: Final answer
    x = 670,326.81

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