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Finding the Fourth Proportional to 573,062.70, 860,512.05 and 455,709.90

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Solution

The fourth proportional to 573,062.70, 860,512.05 and 455,709.90 is: 684,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,062.70 : 860,512.05 = 455,709.90 : x
  2. Step 2: Convert to fraction form
    573,062.70/860,512.05 = 455,709.90/x
  3. Step 3: Cross multiply
    573,062.70x = 860,512.05 × 455,709.90
  4. Step 4: Simplify right side
    573,062.70x = 392,143,860,254.30
  5. Step 5: Solve for x
    x = 392,143,860,254.30/573,062.70
  6. Step 6: Final answer
    x = 684,294.86

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