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Finding the Fourth Proportional to 573,685.18, 860,139.54 and 321,140.04

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Solution

The fourth proportional to 573,685.18, 860,139.54 and 321,140.04 is: 481,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,685.18 : 860,139.54 = 321,140.04 : x
  2. Step 2: Convert to fraction form
    573,685.18/860,139.54 = 321,140.04/x
  3. Step 3: Cross multiply
    573,685.18x = 860,139.54 × 321,140.04
  4. Step 4: Simplify right side
    573,685.18x = 276,225,246,281.18
  5. Step 5: Solve for x
    x = 276,225,246,281.18/573,685.18
  6. Step 6: Final answer
    x = 481,492.73

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