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Finding the Fourth Proportional to 476,847.40, 715,271.10 and 144,423.40

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Solution

The fourth proportional to 476,847.40, 715,271.10 and 144,423.40 is: 216,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,847.40 : 715,271.10 = 144,423.40 : x
  2. Step 2: Convert to fraction form
    476,847.40/715,271.10 = 144,423.40/x
  3. Step 3: Cross multiply
    476,847.40x = 715,271.10 × 144,423.40
  4. Step 4: Simplify right side
    476,847.40x = 103,301,884,183.74
  5. Step 5: Solve for x
    x = 103,301,884,183.74/476,847.40
  6. Step 6: Final answer
    x = 216,635.10

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