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Finding the Fourth Proportional to 472,897.20, 709,345.80 and 444,903.60

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Solution

The fourth proportional to 472,897.20, 709,345.80 and 444,903.60 is: 667,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,897.20 : 709,345.80 = 444,903.60 : x
  2. Step 2: Convert to fraction form
    472,897.20/709,345.80 = 444,903.60/x
  3. Step 3: Cross multiply
    472,897.20x = 709,345.80 × 444,903.60
  4. Step 4: Simplify right side
    472,897.20x = 315,590,500,064.88
  5. Step 5: Solve for x
    x = 315,590,500,064.88/472,897.20
  6. Step 6: Final answer
    x = 667,355.40

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