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Finding the Fourth Proportional to 978,725.84, 1,467,096.84 and 663,214.64

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Solution

The fourth proportional to 978,725.84, 1,467,096.84 and 663,214.64 is: 994,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,725.84 : 1,467,096.84 = 663,214.64 : x
  2. Step 2: Convert to fraction form
    978,725.84/1,467,096.84 = 663,214.64/x
  3. Step 3: Cross multiply
    978,725.84x = 1,467,096.84 × 663,214.64
  4. Step 4: Simplify right side
    978,725.84x = 973,000,102,585.74
  5. Step 5: Solve for x
    x = 973,000,102,585.74/978,725.84
  6. Step 6: Final answer
    x = 994,149.80

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Why These Related Problems?

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