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Finding the Fourth Proportional to 473,136.30, 707,976.45 and 348,720.30

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Solution

The fourth proportional to 473,136.30, 707,976.45 and 348,720.30 is: 521,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,136.30 : 707,976.45 = 348,720.30 : x
  2. Step 2: Convert to fraction form
    473,136.30/707,976.45 = 348,720.30/x
  3. Step 3: Cross multiply
    473,136.30x = 707,976.45 × 348,720.30
  4. Step 4: Simplify right side
    473,136.30x = 246,885,760,036.94
  5. Step 5: Solve for x
    x = 246,885,760,036.94/473,136.30
  6. Step 6: Final answer
    x = 521,806.85

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