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Finding the Fourth Proportional to 423,312.86, 584,172.13 and 229,720.58

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Solution

The fourth proportional to 423,312.86, 584,172.13 and 229,720.58 is: 317,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,312.86 : 584,172.13 = 229,720.58 : x
  2. Step 2: Convert to fraction form
    423,312.86/584,172.13 = 229,720.58/x
  3. Step 3: Cross multiply
    423,312.86x = 584,172.13 × 229,720.58
  4. Step 4: Simplify right side
    423,312.86x = 134,196,357,028.27
  5. Step 5: Solve for x
    x = 134,196,357,028.27/423,312.86
  6. Step 6: Final answer
    x = 317,014.60

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