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Finding the Fourth Proportional to 469,153.77, 646,918.70 and 348,518.85

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Solution

The fourth proportional to 469,153.77, 646,918.70 and 348,518.85 is: 480,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,153.77 : 646,918.70 = 348,518.85 : x
  2. Step 2: Convert to fraction form
    469,153.77/646,918.70 = 348,518.85/x
  3. Step 3: Cross multiply
    469,153.77x = 646,918.70 × 348,518.85
  4. Step 4: Simplify right side
    469,153.77x = 225,463,359,624.90
  5. Step 5: Solve for x
    x = 225,463,359,624.90/469,153.77
  6. Step 6: Final answer
    x = 480,574.55

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