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Finding the Fourth Proportional to 586,322.80, 879,484.20 and 143,090.80

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Solution

The fourth proportional to 586,322.80, 879,484.20 and 143,090.80 is: 214,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,322.80 : 879,484.20 = 143,090.80 : x
  2. Step 2: Convert to fraction form
    586,322.80/879,484.20 = 143,090.80/x
  3. Step 3: Cross multiply
    586,322.80x = 879,484.20 × 143,090.80
  4. Step 4: Simplify right side
    586,322.80x = 125,846,097,765.36
  5. Step 5: Solve for x
    x = 125,846,097,765.36/586,322.80
  6. Step 6: Final answer
    x = 214,636.20

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