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Finding the Fourth Proportional to 525,847.20, 788,770.80 and 336,890.40

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Solution

The fourth proportional to 525,847.20, 788,770.80 and 336,890.40 is: 505,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,847.20 : 788,770.80 = 336,890.40 : x
  2. Step 2: Convert to fraction form
    525,847.20/788,770.80 = 336,890.40/x
  3. Step 3: Cross multiply
    525,847.20x = 788,770.80 × 336,890.40
  4. Step 4: Simplify right side
    525,847.20x = 265,729,310,320.32
  5. Step 5: Solve for x
    x = 265,729,310,320.32/525,847.20
  6. Step 6: Final answer
    x = 505,335.60

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