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Finding the Fourth Proportional to 499,855.80, 749,814.85 and 200,297.46

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Solution

The fourth proportional to 499,855.80, 749,814.85 and 200,297.46 is: 300,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,855.80 : 749,814.85 = 200,297.46 : x
  2. Step 2: Convert to fraction form
    499,855.80/749,814.85 = 200,297.46/x
  3. Step 3: Cross multiply
    499,855.80x = 749,814.85 × 200,297.46
  4. Step 4: Simplify right side
    499,855.80x = 150,186,009,925.28
  5. Step 5: Solve for x
    x = 150,186,009,925.28/499,855.80
  6. Step 6: Final answer
    x = 300,458.67

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