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Finding the Fourth Proportional to 489,115.10, 733,672.65 and 173,603.90

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Solution

The fourth proportional to 489,115.10, 733,672.65 and 173,603.90 is: 260,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,115.10 : 733,672.65 = 173,603.90 : x
  2. Step 2: Convert to fraction form
    489,115.10/733,672.65 = 173,603.90/x
  3. Step 3: Cross multiply
    489,115.10x = 733,672.65 × 173,603.90
  4. Step 4: Simplify right side
    489,115.10x = 127,368,433,363.34
  5. Step 5: Solve for x
    x = 127,368,433,363.34/489,115.10
  6. Step 6: Final answer
    x = 260,405.85

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