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Finding the Fourth Proportional to 452,966.40, 679,276.80 and 137,318.40

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Solution

The fourth proportional to 452,966.40, 679,276.80 and 137,318.40 is: 205,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,966.40 : 679,276.80 = 137,318.40 : x
  2. Step 2: Convert to fraction form
    452,966.40/679,276.80 = 137,318.40/x
  3. Step 3: Cross multiply
    452,966.40x = 679,276.80 × 137,318.40
  4. Step 4: Simplify right side
    452,966.40x = 93,277,203,333.12
  5. Step 5: Solve for x
    x = 93,277,203,333.12/452,966.40
  6. Step 6: Final answer
    x = 205,925.22

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