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Finding the Fourth Proportional to 405,686.40, 608,529.60 and 184,070.40

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Solution

The fourth proportional to 405,686.40, 608,529.60 and 184,070.40 is: 276,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,686.40 : 608,529.60 = 184,070.40 : x
  2. Step 2: Convert to fraction form
    405,686.40/608,529.60 = 184,070.40/x
  3. Step 3: Cross multiply
    405,686.40x = 608,529.60 × 184,070.40
  4. Step 4: Simplify right side
    405,686.40x = 112,012,286,883.84
  5. Step 5: Solve for x
    x = 112,012,286,883.84/405,686.40
  6. Step 6: Final answer
    x = 276,105.60

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