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Finding the Fourth Proportional to 561,470.04, 774,907.66 and 357,455.78

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Solution

The fourth proportional to 561,470.04, 774,907.66 and 357,455.78 is: 493,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,470.04 : 774,907.66 = 357,455.78 : x
  2. Step 2: Convert to fraction form
    561,470.04/774,907.66 = 357,455.78/x
  3. Step 3: Cross multiply
    561,470.04x = 774,907.66 × 357,455.78
  4. Step 4: Simplify right side
    561,470.04x = 276,995,222,033.28
  5. Step 5: Solve for x
    x = 276,995,222,033.28/561,470.04
  6. Step 6: Final answer
    x = 493,339.27

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