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Finding the Fourth Proportional to 429,782.28, 644,802.21 and 173,482.89

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Solution

The fourth proportional to 429,782.28, 644,802.21 and 173,482.89 is: 260,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,782.28 : 644,802.21 = 173,482.89 : x
  2. Step 2: Convert to fraction form
    429,782.28/644,802.21 = 173,482.89/x
  3. Step 3: Cross multiply
    429,782.28x = 644,802.21 × 173,482.89
  4. Step 4: Simplify right side
    429,782.28x = 111,862,150,869.19
  5. Step 5: Solve for x
    x = 111,862,150,869.19/429,782.28
  6. Step 6: Final answer
    x = 260,276.32

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