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Finding the Fourth Proportional to 436,011.48, 654,010.71 and 120,461.40

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Solution

The fourth proportional to 436,011.48, 654,010.71 and 120,461.40 is: 180,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,011.48 : 654,010.71 = 120,461.40 : x
  2. Step 2: Convert to fraction form
    436,011.48/654,010.71 = 120,461.40/x
  3. Step 3: Cross multiply
    436,011.48x = 654,010.71 × 120,461.40
  4. Step 4: Simplify right side
    436,011.48x = 78,783,045,741.59
  5. Step 5: Solve for x
    x = 78,783,045,741.59/436,011.48
  6. Step 6: Final answer
    x = 180,690.30

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