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Finding the Fourth Proportional to 492,807.40, 739,211.10 and 118,830.40

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Solution

The fourth proportional to 492,807.40, 739,211.10 and 118,830.40 is: 178,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,807.40 : 739,211.10 = 118,830.40 : x
  2. Step 2: Convert to fraction form
    492,807.40/739,211.10 = 118,830.40/x
  3. Step 3: Cross multiply
    492,807.40x = 739,211.10 × 118,830.40
  4. Step 4: Simplify right side
    492,807.40x = 87,840,750,697.44
  5. Step 5: Solve for x
    x = 87,840,750,697.44/492,807.40
  6. Step 6: Final answer
    x = 178,245.60

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