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Finding the Fourth Proportional to 455,862.90, 682,810.20 and 296,430.60

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Solution

The fourth proportional to 455,862.90, 682,810.20 and 296,430.60 is: 444,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,862.90 : 682,810.20 = 296,430.60 : x
  2. Step 2: Convert to fraction form
    455,862.90/682,810.20 = 296,430.60/x
  3. Step 3: Cross multiply
    455,862.90x = 682,810.20 × 296,430.60
  4. Step 4: Simplify right side
    455,862.90x = 202,405,837,272.12
  5. Step 5: Solve for x
    x = 202,405,837,272.12/455,862.90
  6. Step 6: Final answer
    x = 444,005.94

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