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Finding the Fourth Proportional to 658,832.40, 988,291.80 and 185,533.20

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Solution

The fourth proportional to 658,832.40, 988,291.80 and 185,533.20 is: 278,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,832.40 : 988,291.80 = 185,533.20 : x
  2. Step 2: Convert to fraction form
    658,832.40/988,291.80 = 185,533.20/x
  3. Step 3: Cross multiply
    658,832.40x = 988,291.80 × 185,533.20
  4. Step 4: Simplify right side
    658,832.40x = 183,360,940,187.76
  5. Step 5: Solve for x
    x = 183,360,940,187.76/658,832.40
  6. Step 6: Final answer
    x = 278,311.97

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