Home / 745,537.43-1,118,343.06-213,136.90

Finding the Fourth Proportional to 745,537.43, 1,118,343.06 and 213,136.90

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Solution

The fourth proportional to 745,537.43, 1,118,343.06 and 213,136.90 is: 319,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,537.43 : 1,118,343.06 = 213,136.90 : x
  2. Step 2: Convert to fraction form
    745,537.43/1,118,343.06 = 213,136.90/x
  3. Step 3: Cross multiply
    745,537.43x = 1,118,343.06 × 213,136.90
  4. Step 4: Simplify right side
    745,537.43x = 238,360,170,149.06
  5. Step 5: Solve for x
    x = 238,360,170,149.06/745,537.43
  6. Step 6: Final answer
    x = 319,715.90

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