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Finding the Fourth Proportional to 645,248.80, 967,095.60 and 329,543.20

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Solution

The fourth proportional to 645,248.80, 967,095.60 and 329,543.20 is: 493,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,248.80 : 967,095.60 = 329,543.20 : x
  2. Step 2: Convert to fraction form
    645,248.80/967,095.60 = 329,543.20/x
  3. Step 3: Cross multiply
    645,248.80x = 967,095.60 × 329,543.20
  4. Step 4: Simplify right side
    645,248.80x = 318,699,778,729.92
  5. Step 5: Solve for x
    x = 318,699,778,729.92/645,248.80
  6. Step 6: Final answer
    x = 493,917.66

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