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Finding the Fourth Proportional to 557,650.35, 769,559.40 and 315,977.67

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Solution

The fourth proportional to 557,650.35, 769,559.40 and 315,977.67 is: 436,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,650.35 : 769,559.40 = 315,977.67 : x
  2. Step 2: Convert to fraction form
    557,650.35/769,559.40 = 315,977.67/x
  3. Step 3: Cross multiply
    557,650.35x = 769,559.40 × 315,977.67
  4. Step 4: Simplify right side
    557,650.35x = 243,163,586,138.60
  5. Step 5: Solve for x
    x = 243,163,586,138.60/557,650.35
  6. Step 6: Final answer
    x = 436,050.27

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