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Finding the Fourth Proportional to 463,721.20, 695,581.80 and 432,386.80

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Solution

The fourth proportional to 463,721.20, 695,581.80 and 432,386.80 is: 648,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,721.20 : 695,581.80 = 432,386.80 : x
  2. Step 2: Convert to fraction form
    463,721.20/695,581.80 = 432,386.80/x
  3. Step 3: Cross multiply
    463,721.20x = 695,581.80 × 432,386.80
  4. Step 4: Simplify right side
    463,721.20x = 300,760,388,640.24
  5. Step 5: Solve for x
    x = 300,760,388,640.24/463,721.20
  6. Step 6: Final answer
    x = 648,580.20

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