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Finding the Fourth Proportional to 507,803.63, 700,786.94 and 278,360.75

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Solution

The fourth proportional to 507,803.63, 700,786.94 and 278,360.75 is: 384,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,803.63 : 700,786.94 = 278,360.75 : x
  2. Step 2: Convert to fraction form
    507,803.63/700,786.94 = 278,360.75/x
  3. Step 3: Cross multiply
    507,803.63x = 700,786.94 × 278,360.75
  4. Step 4: Simplify right side
    507,803.63x = 195,071,580,134.55
  5. Step 5: Solve for x
    x = 195,071,580,134.55/507,803.63
  6. Step 6: Final answer
    x = 384,147.67

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