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Finding the Fourth Proportional to 530,919.40, 796,379.10 and 156,942.40

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Solution

The fourth proportional to 530,919.40, 796,379.10 and 156,942.40 is: 235,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,919.40 : 796,379.10 = 156,942.40 : x
  2. Step 2: Convert to fraction form
    530,919.40/796,379.10 = 156,942.40/x
  3. Step 3: Cross multiply
    530,919.40x = 796,379.10 × 156,942.40
  4. Step 4: Simplify right side
    530,919.40x = 124,985,647,263.84
  5. Step 5: Solve for x
    x = 124,985,647,263.84/530,919.40
  6. Step 6: Final answer
    x = 235,413.60

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