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Finding the Fourth Proportional to 457,232.40, 685,848.60 and 190,904.40

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Solution

The fourth proportional to 457,232.40, 685,848.60 and 190,904.40 is: 286,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,232.40 : 685,848.60 = 190,904.40 : x
  2. Step 2: Convert to fraction form
    457,232.40/685,848.60 = 190,904.40/x
  3. Step 3: Cross multiply
    457,232.40x = 685,848.60 × 190,904.40
  4. Step 4: Simplify right side
    457,232.40x = 130,931,515,473.84
  5. Step 5: Solve for x
    x = 130,931,515,473.84/457,232.40
  6. Step 6: Final answer
    x = 286,356.60

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