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Finding the Fourth Proportional to 586,967.80, 809,639.20 and 403,117.64

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Solution

The fourth proportional to 586,967.80, 809,639.20 and 403,117.64 is: 556,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,967.80 : 809,639.20 = 403,117.64 : x
  2. Step 2: Convert to fraction form
    586,967.80/809,639.20 = 403,117.64/x
  3. Step 3: Cross multiply
    586,967.80x = 809,639.20 × 403,117.64
  4. Step 4: Simplify right side
    586,967.80x = 326,379,843,555.49
  5. Step 5: Solve for x
    x = 326,379,843,555.49/586,967.80
  6. Step 6: Final answer
    x = 556,043.86

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