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Finding the Fourth Proportional to 507,755, 700,701.90 and 281,434.52

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Solution

The fourth proportional to 507,755, 700,701.90 and 281,434.52 is: 388,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,755 : 700,701.90 = 281,434.52 : x
  2. Step 2: Convert to fraction form
    507,755/700,701.90 = 281,434.52/x
  3. Step 3: Cross multiply
    507,755x = 700,701.90 × 281,434.52
  4. Step 4: Simplify right side
    507,755x = 197,201,702,889.59
  5. Step 5: Solve for x
    x = 197,201,702,889.59/507,755
  6. Step 6: Final answer
    x = 388,379.64

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