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Finding the Fourth Proportional to 670,579.45, 925,423.97 and 384,154.89

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Solution

The fourth proportional to 670,579.45, 925,423.97 and 384,154.89 is: 530,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,579.45 : 925,423.97 = 384,154.89 : x
  2. Step 2: Convert to fraction form
    670,579.45/925,423.97 = 384,154.89/x
  3. Step 3: Cross multiply
    670,579.45x = 925,423.97 × 384,154.89
  4. Step 4: Simplify right side
    670,579.45x = 355,506,143,398.71
  5. Step 5: Solve for x
    x = 355,506,143,398.71/670,579.45
  6. Step 6: Final answer
    x = 530,147.69

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