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Finding the Fourth Proportional to 489,056.10, 683,849.10 and 489,056.10

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Solution

The fourth proportional to 489,056.10, 683,849.10 and 489,056.10 is: 683,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,056.10 : 683,849.10 = 489,056.10 : x
  2. Step 2: Convert to fraction form
    489,056.10/683,849.10 = 489,056.10/x
  3. Step 3: Cross multiply
    489,056.10x = 683,849.10 × 489,056.10
  4. Step 4: Simplify right side
    489,056.10x = 334,440,573,834.51
  5. Step 5: Solve for x
    x = 334,440,573,834.51/489,056.10
  6. Step 6: Final answer
    x = 683,849.10

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