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Finding the Fourth Proportional to 456,657.80, 684,986.70 and 444,993.80

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Solution

The fourth proportional to 456,657.80, 684,986.70 and 444,993.80 is: 667,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,657.80 : 684,986.70 = 444,993.80 : x
  2. Step 2: Convert to fraction form
    456,657.80/684,986.70 = 444,993.80/x
  3. Step 3: Cross multiply
    456,657.80x = 684,986.70 × 444,993.80
  4. Step 4: Simplify right side
    456,657.80x = 304,814,834,582.46
  5. Step 5: Solve for x
    x = 304,814,834,582.46/456,657.80
  6. Step 6: Final answer
    x = 667,490.70

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