Home / 468,936.36-702,782.46-386,821.80

Finding the Fourth Proportional to 468,936.36, 702,782.46 and 386,821.80

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Solution

The fourth proportional to 468,936.36, 702,782.46 and 386,821.80 is: 579,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,936.36 : 702,782.46 = 386,821.80 : x
  2. Step 2: Convert to fraction form
    468,936.36/702,782.46 = 386,821.80/x
  3. Step 3: Cross multiply
    468,936.36x = 702,782.46 × 386,821.80
  4. Step 4: Simplify right side
    468,936.36x = 271,851,576,185.63
  5. Step 5: Solve for x
    x = 271,851,576,185.63/468,936.36
  6. Step 6: Final answer
    x = 579,719.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.