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Finding the Fourth Proportional to 554,978.74, 765,870.62 and 300,329.94

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Solution

The fourth proportional to 554,978.74, 765,870.62 and 300,329.94 is: 414,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,978.74 : 765,870.62 = 300,329.94 : x
  2. Step 2: Convert to fraction form
    554,978.74/765,870.62 = 300,329.94/x
  3. Step 3: Cross multiply
    554,978.74x = 765,870.62 × 300,329.94
  4. Step 4: Simplify right side
    554,978.74x = 230,013,877,352.36
  5. Step 5: Solve for x
    x = 230,013,877,352.36/554,978.74
  6. Step 6: Final answer
    x = 414,455.29

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