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Finding the Fourth Proportional to 840,300.71, 1,159,713 and 477,778.88

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Solution

The fourth proportional to 840,300.71, 1,159,713 and 477,778.88 is: 659,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,300.71 : 1,159,713 = 477,778.88 : x
  2. Step 2: Convert to fraction form
    840,300.71/1,159,713 = 477,778.88/x
  3. Step 3: Cross multiply
    840,300.71x = 1,159,713 × 477,778.88
  4. Step 4: Simplify right side
    840,300.71x = 554,086,372,462.88
  5. Step 5: Solve for x
    x = 554,086,372,462.88/840,300.71
  6. Step 6: Final answer
    x = 659,390.58

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