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Finding the Fourth Proportional to 434,548.40, 651,822.60 and 185,716.40

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Solution

The fourth proportional to 434,548.40, 651,822.60 and 185,716.40 is: 278,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,548.40 : 651,822.60 = 185,716.40 : x
  2. Step 2: Convert to fraction form
    434,548.40/651,822.60 = 185,716.40/x
  3. Step 3: Cross multiply
    434,548.40x = 651,822.60 × 185,716.40
  4. Step 4: Simplify right side
    434,548.40x = 121,054,146,710.64
  5. Step 5: Solve for x
    x = 121,054,146,710.64/434,548.40
  6. Step 6: Final answer
    x = 278,574.60

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