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Finding the Fourth Proportional to 516,352.84, 774,832.40 and 216,810.39

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Solution

The fourth proportional to 516,352.84, 774,832.40 and 216,810.39 is: 325,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,352.84 : 774,832.40 = 216,810.39 : x
  2. Step 2: Convert to fraction form
    516,352.84/774,832.40 = 216,810.39/x
  3. Step 3: Cross multiply
    516,352.84x = 774,832.40 × 216,810.39
  4. Step 4: Simplify right side
    516,352.84x = 167,991,714,828.64
  5. Step 5: Solve for x
    x = 167,991,714,828.64/516,352.84
  6. Step 6: Final answer
    x = 325,342.87

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