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Finding the Fourth Proportional to 889,038, 1,333,674.18 and 289,789.20

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Solution

The fourth proportional to 889,038, 1,333,674.18 and 289,789.20 is: 434,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,038 : 1,333,674.18 = 289,789.20 : x
  2. Step 2: Convert to fraction form
    889,038/1,333,674.18 = 289,789.20/x
  3. Step 3: Cross multiply
    889,038x = 1,333,674.18 × 289,789.20
  4. Step 4: Simplify right side
    889,038x = 386,484,373,682.86
  5. Step 5: Solve for x
    x = 386,484,373,682.86/889,038
  6. Step 6: Final answer
    x = 434,722.00

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