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Finding the Fourth Proportional to 543,785.76, 749,839.28 and 339,762.15

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Solution

The fourth proportional to 543,785.76, 749,839.28 and 339,762.15 is: 468,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,785.76 : 749,839.28 = 339,762.15 : x
  2. Step 2: Convert to fraction form
    543,785.76/749,839.28 = 339,762.15/x
  3. Step 3: Cross multiply
    543,785.76x = 749,839.28 × 339,762.15
  4. Step 4: Simplify right side
    543,785.76x = 254,767,004,228.44
  5. Step 5: Solve for x
    x = 254,767,004,228.44/543,785.76
  6. Step 6: Final answer
    x = 468,506.21

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